What is the Greatest Common Factor of 65225 and 65240?

Greatest common factor (GCF) of 65225 and 65240 is 5.

GCF(65225,65240) = 5

We will now calculate the prime factors of 65225 and 65240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65225 and 65240.

How to find the GCF of 65225 and 65240?

We will first find the prime factorization of 65225 and 65240. After we will calculate the factors of 65225 and 65240 and find the biggest common factor number .

Step-1: Prime Factorization of 65225

Prime factors of 65225 are 5, 2609. Prime factorization of 65225 in exponential form is:

65225 = 5² × 2609¹

Step-2: Prime Factorization of 65240

Prime factors of 65240 are 2, 5, 7, 233. Prime factorization of 65240 in exponential form is:

65240 = 2³ × 5¹ × 7¹ × 233¹

Step-3: Factors of 65225

List of positive integer factors of 65225 that divides 65225 without a remainder.

1, 5, 25, 2609, 13045

Step-4: Factors of 65240

List of positive integer factors of 65240 that divides 65225 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 932, 1165, 1631, 1864, 2330, 3262, 4660, 6524, 8155, 9320, 13048, 16310, 32620

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65225 and 65240. The biggest common factor number is the GCF number.
So the greatest common factor 65225 and 65240 is 5.

Also check out the Least Common Multiple of 65225 and 65240