What is the Greatest Common Factor of 70140 and 70147?

Greatest common factor (GCF) of 70140 and 70147 is 7.

GCF(70140,70147) = 7

We will now calculate the prime factors of 70140 and 70147, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70140 and 70147.

How to find the GCF of 70140 and 70147?

We will first find the prime factorization of 70140 and 70147. After we will calculate the factors of 70140 and 70147 and find the biggest common factor number .

Step-1: Prime Factorization of 70140

Prime factors of 70140 are 2, 3, 5, 7, 167. Prime factorization of 70140 in exponential form is:

70140 = 2² × 3¹ × 5¹ × 7¹ × 167¹

Step-2: Prime Factorization of 70147

Prime factors of 70147 are 7, 11, 911. Prime factorization of 70147 in exponential form is:

70147 = 7¹ × 11¹ × 911¹

Step-3: Factors of 70140

List of positive integer factors of 70140 that divides 70140 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 334, 420, 501, 668, 835, 1002, 1169, 1670, 2004, 2338, 2505, 3340, 3507, 4676, 5010, 5845, 7014, 10020, 11690, 14028, 17535, 23380, 35070

Step-4: Factors of 70147

List of positive integer factors of 70147 that divides 70140 without a remainder.

1, 7, 11, 77, 911, 6377, 10021

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70140 and 70147. The biggest common factor number is the GCF number.
So the greatest common factor 70140 and 70147 is 7.

Also check out the Least Common Multiple of 70140 and 70147