What is the Greatest Common Factor of 42261 and 42270?

Greatest common factor (GCF) of 42261 and 42270 is 3.

GCF(42261,42270) = 3

We will now calculate the prime factors of 42261 and 42270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42261 and 42270.

How to find the GCF of 42261 and 42270?

We will first find the prime factorization of 42261 and 42270. After we will calculate the factors of 42261 and 42270 and find the biggest common factor number .

Step-1: Prime Factorization of 42261

Prime factors of 42261 are 3, 14087. Prime factorization of 42261 in exponential form is:

42261 = 3¹ × 14087¹

Step-2: Prime Factorization of 42270

Prime factors of 42270 are 2, 3, 5, 1409. Prime factorization of 42270 in exponential form is:

42270 = 2¹ × 3¹ × 5¹ × 1409¹

Step-3: Factors of 42261

List of positive integer factors of 42261 that divides 42261 without a remainder.

1, 3, 14087

Step-4: Factors of 42270

List of positive integer factors of 42270 that divides 42261 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1409, 2818, 4227, 7045, 8454, 14090, 21135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42261 and 42270. The biggest common factor number is the GCF number.
So the greatest common factor 42261 and 42270 is 3.

Also check out the Least Common Multiple of 42261 and 42270