What is the Greatest Common Factor of 74780 and 74786?

Greatest common factor (GCF) of 74780 and 74786 is 2.

GCF(74780,74786) = 2

We will now calculate the prime factors of 74780 and 74786, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74780 and 74786.

How to find the GCF of 74780 and 74786?

We will first find the prime factorization of 74780 and 74786. After we will calculate the factors of 74780 and 74786 and find the biggest common factor number .

Step-1: Prime Factorization of 74780

Prime factors of 74780 are 2, 5, 3739. Prime factorization of 74780 in exponential form is:

74780 = 2² × 5¹ × 3739¹

Step-2: Prime Factorization of 74786

Prime factors of 74786 are 2, 61, 613. Prime factorization of 74786 in exponential form is:

74786 = 2¹ × 61¹ × 613¹

Step-3: Factors of 74780

List of positive integer factors of 74780 that divides 74780 without a remainder.

1, 2, 4, 5, 10, 20, 3739, 7478, 14956, 18695, 37390

Step-4: Factors of 74786

List of positive integer factors of 74786 that divides 74780 without a remainder.

1, 2, 61, 122, 613, 1226, 37393

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74780 and 74786. The biggest common factor number is the GCF number.
So the greatest common factor 74780 and 74786 is 2.

Also check out the Least Common Multiple of 74780 and 74786