What is the Greatest Common Factor of 90961 and 90970?

Greatest common factor (GCF) of 90961 and 90970 is 1.

GCF(90961,90970) = 1

We will now calculate the prime factors of 90961 and 90970, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90961 and 90970.

How to find the GCF of 90961 and 90970?

We will first find the prime factorization of 90961 and 90970. After we will calculate the factors of 90961 and 90970 and find the biggest common factor number .

Step-1: Prime Factorization of 90961

Prime factors of 90961 are 13, 6997. Prime factorization of 90961 in exponential form is:

90961 = 13¹ × 6997¹

Step-2: Prime Factorization of 90970

Prime factors of 90970 are 2, 5, 11, 827. Prime factorization of 90970 in exponential form is:

90970 = 2¹ × 5¹ × 11¹ × 827¹

Step-3: Factors of 90961

List of positive integer factors of 90961 that divides 90961 without a remainder.

1, 13, 6997

Step-4: Factors of 90970

List of positive integer factors of 90970 that divides 90961 without a remainder.

1, 2, 5, 10, 11, 22, 55, 110, 827, 1654, 4135, 8270, 9097, 18194, 45485

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90961 and 90970. The biggest common factor number is the GCF number.
So the greatest common factor 90961 and 90970 is 1.

Also check out the Least Common Multiple of 90961 and 90970