What is the Greatest Common Factor of 97770 and 97790?

Greatest common factor (GCF) of 97770 and 97790 is 10.

GCF(97770,97790) = 10

We will now calculate the prime factors of 97770 and 97790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97770 and 97790.

How to find the GCF of 97770 and 97790?

We will first find the prime factorization of 97770 and 97790. After we will calculate the factors of 97770 and 97790 and find the biggest common factor number .

Step-1: Prime Factorization of 97770

Prime factors of 97770 are 2, 3, 5, 3259. Prime factorization of 97770 in exponential form is:

97770 = 2¹ × 3¹ × 5¹ × 3259¹

Step-2: Prime Factorization of 97790

Prime factors of 97790 are 2, 5, 7, 11, 127. Prime factorization of 97790 in exponential form is:

97790 = 2¹ × 5¹ × 7¹ × 11¹ × 127¹

Step-3: Factors of 97770

List of positive integer factors of 97770 that divides 97770 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 3259, 6518, 9777, 16295, 19554, 32590, 48885

Step-4: Factors of 97790

List of positive integer factors of 97790 that divides 97770 without a remainder.

1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 127, 154, 254, 385, 635, 770, 889, 1270, 1397, 1778, 2794, 4445, 6985, 8890, 9779, 13970, 19558, 48895

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 97770 and 97790. The biggest common factor number is the GCF number.
So the greatest common factor 97770 and 97790 is 10.

Also check out the Least Common Multiple of 97770 and 97790