Robinson's New Practical Arithmetic for Common Schools and Academies |
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Page 71
... Prime Factor is a prime number used as a factor . The prime factors of a number are also the prime divisors of it . 94. Numbers are prime to each other when they have no common integral factors , or divisors . Thus , 9 and 14 , 16 and 25 , ...
... Prime Factor is a prime number used as a factor . The prime factors of a number are also the prime divisors of it . 94. Numbers are prime to each other when they have no common integral factors , or divisors . Thus , 9 and 14 , 16 and 25 , ...
Page 72
... divisor of an even number , twice that odd number is also an exact divisor of the even number . Thus , 7 is an exact divisor of 42 ; so also is 7 × 2 , or 14 . For reference , and to aid in determining the prime 72 FACTORS .
... divisor of an even number , twice that odd number is also an exact divisor of the even number . Thus , 7 is an exact divisor of 42 ; so also is 7 × 2 , or 14 . For reference , and to aid in determining the prime 72 FACTORS .
Page 73
... PRIME NUMBERS FROM 1 TO 1000 . 1 59 139 233 337 439 557 653 769 883 2 61 149 239 347 443 563 659 773 887 67 151 241 ... prime factors . 1. What are the prime factors of 2772 ? 2 1386 693 OPERATION . SOLUTION . - We divide the given ...
... PRIME NUMBERS FROM 1 TO 1000 . 1 59 139 233 337 439 557 653 769 883 2 61 149 239 347 443 563 659 773 887 67 151 241 ... prime factors . 1. What are the prime factors of 2772 ? 2 1386 693 OPERATION . SOLUTION . - We divide the given ...
Page 74
... prime number . The several divisors and the last quotient will be the prime factors re- quired . PROOF . The product of all the prime factors will be the given number . 2. What are the prime factors of 1140 ? Ans . 2 , 2 , 3 , 5 , 19 ...
... prime number . The several divisors and the last quotient will be the prime factors re- quired . PROOF . The product of all the prime factors will be the given number . 2. What are the prime factors of 1140 ? Ans . 2 , 2 , 3 , 5 , 19 ...
Page 78
... prime to each other have no common divisor . A common divisor is sometimes called a Common Measure ; and the greatest common divisor , the Greatest Common Measure . EXAMPLES . 103. When the numbers are readily factored . 1. What is the ...
... prime to each other have no common divisor . A common divisor is sometimes called a Common Measure ; and the greatest common divisor , the Greatest Common Measure . EXAMPLES . 103. When the numbers are readily factored . 1. What is the ...
Other editions - View all
Robinson's New Practical Arithmetic for Common Schools and Academies Horatio Nelson Robinson No preview available - 2009 |
Robinson's New Practical Arithmetic for Common Schools and Academies Horatio Nelson Robinson No preview available - 2016 |
Common terms and phrases
acres altitude annex annuity barrels of flour base bought bushels ciphers circumference column common denominator common difference common fraction compound interest contained cords cube root cubic decimal point diameter discount dividend division dollars dry measure equal exact divisor EXAMPLES expressed feet figure Find the cost gain gallons geometrical progression given number greatest common divisor Hence hogshead hundred improper fraction inches integers invested last term least common multiple longitude lower denominations measure merchant miles minuend mixed number months multiplicand Multiply number of terms obtain OPERATION paid payment pounds premium prime factors principal proper fraction quotient rate per cent ratio Reduce remainder result rods RULE RULE.-I sells side sold SOLUTION square root subtract subtrahend tens thousand thousandths trial divisor triangle units wheat whole number wide worth write
Popular passages
Page 173 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Page 180 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Page 185 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 287 - ... for the given number of years. III. Subtract the given principal from the last amount, and the remainder will be the compound interest.
Page 398 - A Cylinder is a body bounded by a uniformly curved surface, its ends being equal and parallel circles.
Page 300 - Thirty days after sight of this first of exchange (second and third of the same tenor and date unpaid...
Page 50 - Division is the process of finding how many times one number is contained in another, or of separating a number into equal parts.
Page 78 - The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thu4, 18 is the greatest, common divisor of 36 and 54, since it is the greatest number that will divide each of them without a remainder.
Page 308 - Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments; the quotient will be the average term of credit.
Page 54 - If any partial dividend will not contain the divisor, place a cipher in the quotient, and bring down the next figure of the dividend, and divide as before.