What is the Greatest Common Factor of 42486 and 42506?

Greatest common factor (GCF) of 42486 and 42506 is 2.

GCF(42486,42506) = 2

We will now calculate the prime factors of 42486 and 42506, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42486 and 42506.

How to find the GCF of 42486 and 42506?

We will first find the prime factorization of 42486 and 42506. After we will calculate the factors of 42486 and 42506 and find the biggest common factor number .

Step-1: Prime Factorization of 42486

Prime factors of 42486 are 2, 3, 73, 97. Prime factorization of 42486 in exponential form is:

42486 = 2¹ × 3¹ × 73¹ × 97¹

Step-2: Prime Factorization of 42506

Prime factors of 42506 are 2, 53, 401. Prime factorization of 42506 in exponential form is:

42506 = 2¹ × 53¹ × 401¹

Step-3: Factors of 42486

List of positive integer factors of 42486 that divides 42486 without a remainder.

1, 2, 3, 6, 73, 97, 146, 194, 219, 291, 438, 582, 7081, 14162, 21243

Step-4: Factors of 42506

List of positive integer factors of 42506 that divides 42486 without a remainder.

1, 2, 53, 106, 401, 802, 21253

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42486 and 42506. The biggest common factor number is the GCF number.
So the greatest common factor 42486 and 42506 is 2.

Also check out the Least Common Multiple of 42486 and 42506