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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.
Fish's Arithmetic Number Two: Oral and Written, Upon the Inductive Method - Page 74
by Daniel W. Fish - 1883 - 352 pages

## Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - Arithmetic - 1892 - 430 pages
...101. A Common Divisor of two or more numbers is a number that will exactly divide each of them. 102. The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Numbers prime to each other have no common divisor. A...

## Robinson's New Practical Arithmetic for Common Schools and Academies

Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...101. A Common Divisor of two or more numbers is a number that will exactly divide each of them. 102. The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Numbers prime to each other have no common divisor. A...

1893 - 258 pages
...exactly divide each of them without a remainder; thus, 3 is a common divisor of 6, 9, 12 and 15. 136. The Greatest Common Divisor of two or more numbers is the greatest number that will divide each of the numbers without a remainder; thus, 6 is the greatest common divisor...

## Elementary Arithmetic

John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1893 - 314 pages
...greatest common divisor of these numbers. What is the greatest common divisor of 30, 45, 60, and 90 ? 32. The Greatest Common Divisor of two or more numbers is the greatest exact divisor of each of them. The product of all the prime factors common to two or more numbers is...

## New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 368 pages
...any exact divisor (Art. 97) of each of them. Thus, 2, 3, and 6 are common divisors of 6 and 12. 121. The Greatest Common Divisor of two or more numbers is the greatest exact divisor of each of them. Thus, 4 is the greatest common divisor of 8 and 12. But 4 is equal to...

## For sixth, seventh, and eighth grades

George Edward Atwood - Arithmetic - 1894 - 396 pages
...60. A Common Divisor of two or more numbers is a number that is an exact divisor of each of them. 61. The Greatest Common Divisor of two or more numbers is the greatest number that is an exact divisor of each of them. 62. Numbers are prime to each other when they have...

## Commercial Arithmetic

Oscar F. Williams - Arithmetic - 1894 - 366 pages
...thus 3 is a common divisor of 6, 9,12, and 15; also 7 is a common divisor of 14, 28, 35, and 49. 143. The Greatest Common Divisor of two or more numbers is the greatest number that is exactly contained in all of them, or that will divide each of them without a remainder....

## The Elementary Arithmetic: Oral and Written

Albert Newton Raub - Arithmetic - 1894 - 200 pages
...is a number that will exactly divide each of them. Thus, 3 is a common divisor of C, 9 and 12. 64. The Greatest Common Divisor of two or more numbers is the greatest number that will exactly divide each of them. Thus, 6 is the greatest common divisor of 12 and 18....