What is the Greatest Common Factor of 71561 and 71574?

Greatest common factor (GCF) of 71561 and 71574 is 1.

GCF(71561,71574) = 1

We will now calculate the prime factors of 71561 and 71574, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71561 and 71574.

How to find the GCF of 71561 and 71574?

We will first find the prime factorization of 71561 and 71574. After we will calculate the factors of 71561 and 71574 and find the biggest common factor number .

Step-1: Prime Factorization of 71561

Prime factors of 71561 are 7, 10223. Prime factorization of 71561 in exponential form is:

71561 = 7¹ × 10223¹

Step-2: Prime Factorization of 71574

Prime factors of 71574 are 2, 3, 79, 151. Prime factorization of 71574 in exponential form is:

71574 = 2¹ × 3¹ × 79¹ × 151¹

Step-3: Factors of 71561

List of positive integer factors of 71561 that divides 71561 without a remainder.

1, 7, 10223

Step-4: Factors of 71574

List of positive integer factors of 71574 that divides 71561 without a remainder.

1, 2, 3, 6, 79, 151, 158, 237, 302, 453, 474, 906, 11929, 23858, 35787

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71561 and 71574. The biggest common factor number is the GCF number.
So the greatest common factor 71561 and 71574 is 1.

Also check out the Least Common Multiple of 71561 and 71574