What is the Greatest Common Factor of 42559 and 42570?

Greatest common factor (GCF) of 42559 and 42570 is 11.

GCF(42559,42570) = 11

We will now calculate the prime factors of 42559 and 42570, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42559 and 42570.

How to find the GCF of 42559 and 42570?

We will first find the prime factorization of 42559 and 42570. After we will calculate the factors of 42559 and 42570 and find the biggest common factor number .

Step-1: Prime Factorization of 42559

Prime factors of 42559 are 11, 53, 73. Prime factorization of 42559 in exponential form is:

42559 = 11¹ × 53¹ × 73¹

Step-2: Prime Factorization of 42570

Prime factors of 42570 are 2, 3, 5, 11, 43. Prime factorization of 42570 in exponential form is:

42570 = 2¹ × 3² × 5¹ × 11¹ × 43¹

Step-3: Factors of 42559

List of positive integer factors of 42559 that divides 42559 without a remainder.

1, 11, 53, 73, 583, 803, 3869

Step-4: Factors of 42570

List of positive integer factors of 42570 that divides 42559 without a remainder.

1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 43, 45, 55, 66, 86, 90, 99, 110, 129, 165, 198, 215, 258, 330, 387, 430, 473, 495, 645, 774, 946, 990, 1290, 1419, 1935, 2365, 2838, 3870, 4257, 4730, 7095, 8514, 14190, 21285

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42559 and 42570. The biggest common factor number is the GCF number.
So the greatest common factor 42559 and 42570 is 11.

Also check out the Least Common Multiple of 42559 and 42570