What is the Greatest Common Factor of 71558 and 71572?

Greatest common factor (GCF) of 71558 and 71572 is 2.

GCF(71558,71572) = 2

We will now calculate the prime factors of 71558 and 71572, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71558 and 71572.

How to find the GCF of 71558 and 71572?

We will first find the prime factorization of 71558 and 71572. After we will calculate the factors of 71558 and 71572 and find the biggest common factor number .

Step-1: Prime Factorization of 71558

Prime factors of 71558 are 2, 37, 967. Prime factorization of 71558 in exponential form is:

71558 = 2¹ × 37¹ × 967¹

Step-2: Prime Factorization of 71572

Prime factors of 71572 are 2, 29, 617. Prime factorization of 71572 in exponential form is:

71572 = 2² × 29¹ × 617¹

Step-3: Factors of 71558

List of positive integer factors of 71558 that divides 71558 without a remainder.

1, 2, 37, 74, 967, 1934, 35779

Step-4: Factors of 71572

List of positive integer factors of 71572 that divides 71558 without a remainder.

1, 2, 4, 29, 58, 116, 617, 1234, 2468, 17893, 35786

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71558 and 71572. The biggest common factor number is the GCF number.
So the greatest common factor 71558 and 71572 is 2.

Also check out the Least Common Multiple of 71558 and 71572