What is the Greatest Common Factor of 38661 and 38680?

Greatest common factor (GCF) of 38661 and 38680 is 1.

GCF(38661,38680) = 1

We will now calculate the prime factors of 38661 and 38680, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38661 and 38680.

How to find the GCF of 38661 and 38680?

We will first find the prime factorization of 38661 and 38680. After we will calculate the factors of 38661 and 38680 and find the biggest common factor number .

Step-1: Prime Factorization of 38661

Prime factors of 38661 are 3, 7, 263. Prime factorization of 38661 in exponential form is:

38661 = 3¹ × 7² × 263¹

Step-2: Prime Factorization of 38680

Prime factors of 38680 are 2, 5, 967. Prime factorization of 38680 in exponential form is:

38680 = 2³ × 5¹ × 967¹

Step-3: Factors of 38661

List of positive integer factors of 38661 that divides 38661 without a remainder.

1, 3, 7, 21, 49, 147, 263, 789, 1841, 5523, 12887

Step-4: Factors of 38680

List of positive integer factors of 38680 that divides 38661 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 967, 1934, 3868, 4835, 7736, 9670, 19340

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38661 and 38680. The biggest common factor number is the GCF number.
So the greatest common factor 38661 and 38680 is 1.

Also check out the Least Common Multiple of 38661 and 38680