What is the Greatest Common Factor of 69215 and 69220?

Greatest common factor (GCF) of 69215 and 69220 is 5.

GCF(69215,69220) = 5

We will now calculate the prime factors of 69215 and 69220, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69215 and 69220.

How to find the GCF of 69215 and 69220?

We will first find the prime factorization of 69215 and 69220. After we will calculate the factors of 69215 and 69220 and find the biggest common factor number .

Step-1: Prime Factorization of 69215

Prime factors of 69215 are 5, 109, 127. Prime factorization of 69215 in exponential form is:

69215 = 5¹ × 109¹ × 127¹

Step-2: Prime Factorization of 69220

Prime factors of 69220 are 2, 5, 3461. Prime factorization of 69220 in exponential form is:

69220 = 2² × 5¹ × 3461¹

Step-3: Factors of 69215

List of positive integer factors of 69215 that divides 69215 without a remainder.

1, 5, 109, 127, 545, 635, 13843

Step-4: Factors of 69220

List of positive integer factors of 69220 that divides 69215 without a remainder.

1, 2, 4, 5, 10, 20, 3461, 6922, 13844, 17305, 34610

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69215 and 69220. The biggest common factor number is the GCF number.
So the greatest common factor 69215 and 69220 is 5.

Also check out the Least Common Multiple of 69215 and 69220