What is the Greatest Common Factor of 7610 and 7620?

Greatest common factor (GCF) of 7610 and 7620 is 10.

GCF(7610,7620) = 10

We will now calculate the prime factors of 7610 and 7620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7610 and 7620.

How to find the GCF of 7610 and 7620?

We will first find the prime factorization of 7610 and 7620. After we will calculate the factors of 7610 and 7620 and find the biggest common factor number .

Step-1: Prime Factorization of 7610

Prime factors of 7610 are 2, 5, 761. Prime factorization of 7610 in exponential form is:

7610 = 2¹ × 5¹ × 761¹

Step-2: Prime Factorization of 7620

Prime factors of 7620 are 2, 3, 5, 127. Prime factorization of 7620 in exponential form is:

7620 = 2² × 3¹ × 5¹ × 127¹

Step-3: Factors of 7610

List of positive integer factors of 7610 that divides 7610 without a remainder.

1, 2, 5, 10, 761, 1522, 3805

Step-4: Factors of 7620

List of positive integer factors of 7620 that divides 7610 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 127, 254, 381, 508, 635, 762, 1270, 1524, 1905, 2540, 3810

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7610 and 7620. The biggest common factor number is the GCF number.
So the greatest common factor 7610 and 7620 is 10.

Also check out the Least Common Multiple of 7610 and 7620