What is the Greatest Common Factor of 68620 and 68630?

Greatest common factor (GCF) of 68620 and 68630 is 10.

GCF(68620,68630) = 10

We will now calculate the prime factors of 68620 and 68630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68620 and 68630.

How to find the GCF of 68620 and 68630?

We will first find the prime factorization of 68620 and 68630. After we will calculate the factors of 68620 and 68630 and find the biggest common factor number .

Step-1: Prime Factorization of 68620

Prime factors of 68620 are 2, 5, 47, 73. Prime factorization of 68620 in exponential form is:

68620 = 2² × 5¹ × 47¹ × 73¹

Step-2: Prime Factorization of 68630

Prime factors of 68630 are 2, 5, 6863. Prime factorization of 68630 in exponential form is:

68630 = 2¹ × 5¹ × 6863¹

Step-3: Factors of 68620

List of positive integer factors of 68620 that divides 68620 without a remainder.

1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 470, 730, 940, 1460, 3431, 6862, 13724, 17155, 34310

Step-4: Factors of 68630

List of positive integer factors of 68630 that divides 68620 without a remainder.

1, 2, 5, 10, 6863, 13726, 34315

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68620 and 68630. The biggest common factor number is the GCF number.
So the greatest common factor 68620 and 68630 is 10.

Also check out the Least Common Multiple of 68620 and 68630