What is the Greatest Common Factor of 42156 and 42169?

Greatest common factor (GCF) of 42156 and 42169 is 1.

GCF(42156,42169) = 1

We will now calculate the prime factors of 42156 and 42169, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42156 and 42169.

How to find the GCF of 42156 and 42169?

We will first find the prime factorization of 42156 and 42169. After we will calculate the factors of 42156 and 42169 and find the biggest common factor number .

Step-1: Prime Factorization of 42156

Prime factors of 42156 are 2, 3, 1171. Prime factorization of 42156 in exponential form is:

42156 = 2² × 3² × 1171¹

Step-2: Prime Factorization of 42169

Prime factors of 42169 are 42169. Prime factorization of 42169 in exponential form is:

42169 = 42169¹

Step-3: Factors of 42156

List of positive integer factors of 42156 that divides 42156 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 1171, 2342, 3513, 4684, 7026, 10539, 14052, 21078

Step-4: Factors of 42169

List of positive integer factors of 42169 that divides 42156 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42156 and 42169. The biggest common factor number is the GCF number.
So the greatest common factor 42156 and 42169 is 1.

Also check out the Least Common Multiple of 42156 and 42169