What is the Greatest Common Factor of 70142 and 70156?

Greatest common factor (GCF) of 70142 and 70156 is 2.

GCF(70142,70156) = 2

We will now calculate the prime factors of 70142 and 70156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70142 and 70156.

How to find the GCF of 70142 and 70156?

We will first find the prime factorization of 70142 and 70156. After we will calculate the factors of 70142 and 70156 and find the biggest common factor number .

Step-1: Prime Factorization of 70142

Prime factors of 70142 are 2, 17, 2063. Prime factorization of 70142 in exponential form is:

70142 = 2¹ × 17¹ × 2063¹

Step-2: Prime Factorization of 70156

Prime factors of 70156 are 2, 17539. Prime factorization of 70156 in exponential form is:

70156 = 2² × 17539¹

Step-3: Factors of 70142

List of positive integer factors of 70142 that divides 70142 without a remainder.

1, 2, 17, 34, 2063, 4126, 35071

Step-4: Factors of 70156

List of positive integer factors of 70156 that divides 70142 without a remainder.

1, 2, 4, 17539, 35078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70142 and 70156. The biggest common factor number is the GCF number.
So the greatest common factor 70142 and 70156 is 2.

Also check out the Least Common Multiple of 70142 and 70156