What is the Greatest Common Factor of 66290 and 66310?

Greatest common factor (GCF) of 66290 and 66310 is 10.

GCF(66290,66310) = 10

We will now calculate the prime factors of 66290 and 66310, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66290 and 66310.

How to find the GCF of 66290 and 66310?

We will first find the prime factorization of 66290 and 66310. After we will calculate the factors of 66290 and 66310 and find the biggest common factor number .

Step-1: Prime Factorization of 66290

Prime factors of 66290 are 2, 5, 7, 947. Prime factorization of 66290 in exponential form is:

66290 = 2¹ × 5¹ × 7¹ × 947¹

Step-2: Prime Factorization of 66310

Prime factors of 66310 are 2, 5, 19, 349. Prime factorization of 66310 in exponential form is:

66310 = 2¹ × 5¹ × 19¹ × 349¹

Step-3: Factors of 66290

List of positive integer factors of 66290 that divides 66290 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 947, 1894, 4735, 6629, 9470, 13258, 33145

Step-4: Factors of 66310

List of positive integer factors of 66310 that divides 66290 without a remainder.

1, 2, 5, 10, 19, 38, 95, 190, 349, 698, 1745, 3490, 6631, 13262, 33155

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66290 and 66310. The biggest common factor number is the GCF number.
So the greatest common factor 66290 and 66310 is 10.

Also check out the Least Common Multiple of 66290 and 66310