What is the Greatest Common Factor of 71872 and 71886?

Greatest common factor (GCF) of 71872 and 71886 is 2.

GCF(71872,71886) = 2

We will now calculate the prime factors of 71872 and 71886, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71872 and 71886.

How to find the GCF of 71872 and 71886?

We will first find the prime factorization of 71872 and 71886. After we will calculate the factors of 71872 and 71886 and find the biggest common factor number .

Step-1: Prime Factorization of 71872

Prime factors of 71872 are 2, 1123. Prime factorization of 71872 in exponential form is:

71872 = 2⁶ × 1123¹

Step-2: Prime Factorization of 71886

Prime factors of 71886 are 2, 3, 11981. Prime factorization of 71886 in exponential form is:

71886 = 2¹ × 3¹ × 11981¹

Step-3: Factors of 71872

List of positive integer factors of 71872 that divides 71872 without a remainder.

1, 2, 4, 8, 16, 32, 64, 1123, 2246, 4492, 8984, 17968, 35936

Step-4: Factors of 71886

List of positive integer factors of 71886 that divides 71872 without a remainder.

1, 2, 3, 6, 11981, 23962, 35943

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71872 and 71886. The biggest common factor number is the GCF number.
So the greatest common factor 71872 and 71886 is 2.

Also check out the Least Common Multiple of 71872 and 71886