What is the Greatest Common Factor of 81142 and 81146?

Greatest common factor (GCF) of 81142 and 81146 is 2.

GCF(81142,81146) = 2

We will now calculate the prime factors of 81142 and 81146, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81142 and 81146.

How to find the GCF of 81142 and 81146?

We will first find the prime factorization of 81142 and 81146. After we will calculate the factors of 81142 and 81146 and find the biggest common factor number .

Step-1: Prime Factorization of 81142

Prime factors of 81142 are 2, 29, 1399. Prime factorization of 81142 in exponential form is:

81142 = 2¹ × 29¹ × 1399¹

Step-2: Prime Factorization of 81146

Prime factors of 81146 are 2, 13, 3121. Prime factorization of 81146 in exponential form is:

81146 = 2¹ × 13¹ × 3121¹

Step-3: Factors of 81142

List of positive integer factors of 81142 that divides 81142 without a remainder.

1, 2, 29, 58, 1399, 2798, 40571

Step-4: Factors of 81146

List of positive integer factors of 81146 that divides 81142 without a remainder.

1, 2, 13, 26, 3121, 6242, 40573

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81142 and 81146. The biggest common factor number is the GCF number.
So the greatest common factor 81142 and 81146 is 2.

Also check out the Least Common Multiple of 81142 and 81146