What is the Greatest Common Factor of 87940 and 87946?

Greatest common factor (GCF) of 87940 and 87946 is 2.

GCF(87940,87946) = 2

We will now calculate the prime factors of 87940 and 87946, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 87940 and 87946.

How to find the GCF of 87940 and 87946?

We will first find the prime factorization of 87940 and 87946. After we will calculate the factors of 87940 and 87946 and find the biggest common factor number .

Step-1: Prime Factorization of 87940

Prime factors of 87940 are 2, 5, 4397. Prime factorization of 87940 in exponential form is:

87940 = 2² × 5¹ × 4397¹

Step-2: Prime Factorization of 87946

Prime factors of 87946 are 2, 43973. Prime factorization of 87946 in exponential form is:

87946 = 2¹ × 43973¹

Step-3: Factors of 87940

List of positive integer factors of 87940 that divides 87940 without a remainder.

1, 2, 4, 5, 10, 20, 4397, 8794, 17588, 21985, 43970

Step-4: Factors of 87946

List of positive integer factors of 87946 that divides 87940 without a remainder.

1, 2, 43973

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 87940 and 87946. The biggest common factor number is the GCF number.
So the greatest common factor 87940 and 87946 is 2.

Also check out the Least Common Multiple of 87940 and 87946