What is the Greatest Common Factor of 63875 and 63890?

Greatest common factor (GCF) of 63875 and 63890 is 5.

GCF(63875,63890) = 5

We will now calculate the prime factors of 63875 and 63890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 63875 and 63890.

How to find the GCF of 63875 and 63890?

We will first find the prime factorization of 63875 and 63890. After we will calculate the factors of 63875 and 63890 and find the biggest common factor number .

Step-1: Prime Factorization of 63875

Prime factors of 63875 are 5, 7, 73. Prime factorization of 63875 in exponential form is:

63875 = 5³ × 7¹ × 73¹

Step-2: Prime Factorization of 63890

Prime factors of 63890 are 2, 5, 6389. Prime factorization of 63890 in exponential form is:

63890 = 2¹ × 5¹ × 6389¹

Step-3: Factors of 63875

List of positive integer factors of 63875 that divides 63875 without a remainder.

1, 5, 7, 25, 35, 73, 125, 175, 365, 511, 875, 1825, 2555, 9125, 12775

Step-4: Factors of 63890

List of positive integer factors of 63890 that divides 63875 without a remainder.

1, 2, 5, 10, 6389, 12778, 31945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 63875 and 63890. The biggest common factor number is the GCF number.
So the greatest common factor 63875 and 63890 is 5.

Also check out the Least Common Multiple of 63875 and 63890