What is the Greatest Common Factor of 42265 and 42270?

Greatest common factor (GCF) of 42265 and 42270 is 5.

GCF(42265,42270) = 5

We will now calculate the prime factors of 42265 and 42270, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42265 and 42270.

How to find the GCF of 42265 and 42270?

We will first find the prime factorization of 42265 and 42270. After we will calculate the factors of 42265 and 42270 and find the biggest common factor number .

Step-1: Prime Factorization of 42265

Prime factors of 42265 are 5, 79, 107. Prime factorization of 42265 in exponential form is:

42265 = 5¹ × 79¹ × 107¹

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 42265

List of positive integer factors of 42265 that divides 42265 without a remainder.

1, 5, 79, 107, 395, 535, 8453

Step-4: Factors of 42270

List of positive integer factors of 42270 that divides 42265 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 42265 and 42270. The biggest common factor number is the GCF number.
So the greatest common factor 42265 and 42270 is 5.

Also check out the Least Common Multiple of 42265 and 42270