What is the Greatest Common Factor of 67485 and 67491?

Greatest common factor (GCF) of 67485 and 67491 is 3.

GCF(67485,67491) = 3

We will now calculate the prime factors of 67485 and 67491, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67485 and 67491.

How to find the GCF of 67485 and 67491?

We will first find the prime factorization of 67485 and 67491. After we will calculate the factors of 67485 and 67491 and find the biggest common factor number .

Step-1: Prime Factorization of 67485

Prime factors of 67485 are 3, 5, 11, 409. Prime factorization of 67485 in exponential form is:

67485 = 3¹ × 5¹ × 11¹ × 409¹

Step-2: Prime Factorization of 67491

Prime factors of 67491 are 3, 7499. Prime factorization of 67491 in exponential form is:

67491 = 3² × 7499¹

Step-3: Factors of 67485

List of positive integer factors of 67485 that divides 67485 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 409, 1227, 2045, 4499, 6135, 13497, 22495

Step-4: Factors of 67491

List of positive integer factors of 67491 that divides 67485 without a remainder.

1, 3, 9, 7499, 22497

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67485 and 67491. The biggest common factor number is the GCF number.
So the greatest common factor 67485 and 67491 is 3.

Also check out the Least Common Multiple of 67485 and 67491