What is the Greatest Common Factor of 72942 and 72961?

Greatest common factor (GCF) of 72942 and 72961 is 1.

GCF(72942,72961) = 1

We will now calculate the prime factors of 72942 and 72961, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72942 and 72961.

How to find the GCF of 72942 and 72961?

We will first find the prime factorization of 72942 and 72961. After we will calculate the factors of 72942 and 72961 and find the biggest common factor number .

Step-1: Prime Factorization of 72942

Prime factors of 72942 are 2, 3, 12157. Prime factorization of 72942 in exponential form is:

72942 = 2¹ × 3¹ × 12157¹

Step-2: Prime Factorization of 72961

Prime factors of 72961 are 7, 1489. Prime factorization of 72961 in exponential form is:

72961 = 7² × 1489¹

Step-3: Factors of 72942

List of positive integer factors of 72942 that divides 72942 without a remainder.

1, 2, 3, 6, 12157, 24314, 36471

Step-4: Factors of 72961

List of positive integer factors of 72961 that divides 72942 without a remainder.

1, 7, 49, 1489, 10423

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72942 and 72961. The biggest common factor number is the GCF number.
So the greatest common factor 72942 and 72961 is 1.

Also check out the Least Common Multiple of 72942 and 72961