What is the Greatest Common Factor of 42280 and 42300?

Greatest common factor (GCF) of 42280 and 42300 is 20.

GCF(42280,42300) = 20

We will now calculate the prime factors of 42280 and 42300, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42280 and 42300.

How to find the GCF of 42280 and 42300?

We will first find the prime factorization of 42280 and 42300. After we will calculate the factors of 42280 and 42300 and find the biggest common factor number .

Step-1: Prime Factorization of 42280

Prime factors of 42280 are 2, 5, 7, 151. Prime factorization of 42280 in exponential form is:

42280 = 2³ × 5¹ × 7¹ × 151¹

Step-2: Prime Factorization of 42300

Prime factors of 42300 are 2, 3, 5, 47. Prime factorization of 42300 in exponential form is:

42300 = 2² × 3² × 5² × 47¹

Step-3: Factors of 42280

List of positive integer factors of 42280 that divides 42280 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 755, 1057, 1208, 1510, 2114, 3020, 4228, 5285, 6040, 8456, 10570, 21140

Step-4: Factors of 42300

List of positive integer factors of 42300 that divides 42280 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 423, 450, 470, 564, 705, 846, 900, 940, 1175, 1410, 1692, 2115, 2350, 2820, 3525, 4230, 4700, 7050, 8460, 10575, 14100, 21150

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42280 and 42300. The biggest common factor number is the GCF number.
So the greatest common factor 42280 and 42300 is 20.

Also check out the Least Common Multiple of 42280 and 42300