What is the Greatest Common Factor of 61578 and 61590?

Greatest common factor (GCF) of 61578 and 61590 is 6.

GCF(61578,61590) = 6

We will now calculate the prime factors of 61578 and 61590, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61578 and 61590.

How to find the GCF of 61578 and 61590?

We will first find the prime factorization of 61578 and 61590. After we will calculate the factors of 61578 and 61590 and find the biggest common factor number .

Step-1: Prime Factorization of 61578

Prime factors of 61578 are 2, 3, 11, 311. Prime factorization of 61578 in exponential form is:

61578 = 2¹ × 3² × 11¹ × 311¹

Step-2: Prime Factorization of 61590

Prime factors of 61590 are 2, 3, 5, 2053. Prime factorization of 61590 in exponential form is:

61590 = 2¹ × 3¹ × 5¹ × 2053¹

Step-3: Factors of 61578

List of positive integer factors of 61578 that divides 61578 without a remainder.

1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 311, 622, 933, 1866, 2799, 3421, 5598, 6842, 10263, 20526, 30789

Step-4: Factors of 61590

List of positive integer factors of 61590 that divides 61578 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2053, 4106, 6159, 10265, 12318, 20530, 30795

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61578 and 61590. The biggest common factor number is the GCF number.
So the greatest common factor 61578 and 61590 is 6.

Also check out the Least Common Multiple of 61578 and 61590