What is the Greatest Common Factor of 97783 and 97790?

Greatest common factor (GCF) of 97783 and 97790 is 7.

GCF(97783,97790) = 7

We will now calculate the prime factors of 97783 and 97790, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 97783 and 97790.

How to find the GCF of 97783 and 97790?

We will first find the prime factorization of 97783 and 97790. After we will calculate the factors of 97783 and 97790 and find the biggest common factor number .

Step-1: Prime Factorization of 97783

Prime factors of 97783 are 7, 61, 229. Prime factorization of 97783 in exponential form is:

97783 = 7¹ × 61¹ × 229¹

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 97783

List of positive integer factors of 97783 that divides 97783 without a remainder.

1, 7, 61, 229, 427, 1603, 13969

Step-4: Factors of 97790

List of positive integer factors of 97790 that divides 97783 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 97783 and 97790. The biggest common factor number is the GCF number.
So the greatest common factor 97783 and 97790 is 7.

Also check out the Least Common Multiple of 97783 and 97790