What is the Greatest Common Factor of 42506 and 42518?

Greatest common factor (GCF) of 42506 and 42518 is 2.

GCF(42506,42518) = 2

We will now calculate the prime factors of 42506 and 42518, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42506 and 42518.

How to find the GCF of 42506 and 42518?

We will first find the prime factorization of 42506 and 42518. After we will calculate the factors of 42506 and 42518 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 42518

Prime factors of 42518 are 2, 7, 3037. Prime factorization of 42518 in exponential form is:

42518 = 2¹ × 7¹ × 3037¹

Step-3: Factors of 42506

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

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

Step-4: Factors of 42518

List of positive integer factors of 42518 that divides 42506 without a remainder.

1, 2, 7, 14, 3037, 6074, 21259

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42506 and 42518. The biggest common factor number is the GCF number.
So the greatest common factor 42506 and 42518 is 2.

Also check out the Least Common Multiple of 42506 and 42518