What is the Greatest Common Factor of 63640 and 63655?

Greatest common factor (GCF) of 63640 and 63655 is 5.

GCF(63640,63655) = 5

We will now calculate the prime factors of 63640 and 63655, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63640 and 63655.

How to find the GCF of 63640 and 63655?

We will first find the prime factorization of 63640 and 63655. After we will calculate the factors of 63640 and 63655 and find the biggest common factor number .

Step-1: Prime Factorization of 63640

Prime factors of 63640 are 2, 5, 37, 43. Prime factorization of 63640 in exponential form is:

63640 = 2³ × 5¹ × 37¹ × 43¹

Step-2: Prime Factorization of 63655

Prime factors of 63655 are 5, 29, 439. Prime factorization of 63655 in exponential form is:

63655 = 5¹ × 29¹ × 439¹

Step-3: Factors of 63640

List of positive integer factors of 63640 that divides 63640 without a remainder.

1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12728, 15910, 31820

Step-4: Factors of 63655

List of positive integer factors of 63655 that divides 63640 without a remainder.

1, 5, 29, 145, 439, 2195, 12731

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63640 and 63655. The biggest common factor number is the GCF number.
So the greatest common factor 63640 and 63655 is 5.

Also check out the Least Common Multiple of 63640 and 63655