What is the Greatest Common Factor of 67907 and 67921?

Greatest common factor (GCF) of 67907 and 67921 is 7.

GCF(67907,67921) = 7

We will now calculate the prime factors of 67907 and 67921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67907 and 67921.

How to find the GCF of 67907 and 67921?

We will first find the prime factorization of 67907 and 67921. After we will calculate the factors of 67907 and 67921 and find the biggest common factor number .

Step-1: Prime Factorization of 67907

Prime factors of 67907 are 7, 89, 109. Prime factorization of 67907 in exponential form is:

67907 = 7¹ × 89¹ × 109¹

Step-2: Prime Factorization of 67921

Prime factors of 67921 are 7, 31, 313. Prime factorization of 67921 in exponential form is:

67921 = 7¹ × 31¹ × 313¹

Step-3: Factors of 67907

List of positive integer factors of 67907 that divides 67907 without a remainder.

1, 7, 89, 109, 623, 763, 9701

Step-4: Factors of 67921

List of positive integer factors of 67921 that divides 67907 without a remainder.

1, 7, 31, 217, 313, 2191, 9703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67907 and 67921. The biggest common factor number is the GCF number.
So the greatest common factor 67907 and 67921 is 7.

Also check out the Least Common Multiple of 67907 and 67921