What is the Greatest Common Factor of 68240 and 68260?

Greatest common factor (GCF) of 68240 and 68260 is 20.

GCF(68240,68260) = 20

We will now calculate the prime factors of 68240 and 68260, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68240 and 68260.

How to find the GCF of 68240 and 68260?

We will first find the prime factorization of 68240 and 68260. After we will calculate the factors of 68240 and 68260 and find the biggest common factor number .

Step-1: Prime Factorization of 68240

Prime factors of 68240 are 2, 5, 853. Prime factorization of 68240 in exponential form is:

68240 = 2⁴ × 5¹ × 853¹

Step-2: Prime Factorization of 68260

Prime factors of 68260 are 2, 5, 3413. Prime factorization of 68260 in exponential form is:

68260 = 2² × 5¹ × 3413¹

Step-3: Factors of 68240

List of positive integer factors of 68240 that divides 68240 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3412, 4265, 6824, 8530, 13648, 17060, 34120

Step-4: Factors of 68260

List of positive integer factors of 68260 that divides 68240 without a remainder.

1, 2, 4, 5, 10, 20, 3413, 6826, 13652, 17065, 34130

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68240 and 68260. The biggest common factor number is the GCF number.
So the greatest common factor 68240 and 68260 is 20.

Also check out the Least Common Multiple of 68240 and 68260