What is the Greatest Common Factor of 62440 and 62447?

Greatest common factor (GCF) of 62440 and 62447 is 7.

GCF(62440,62447) = 7

We will now calculate the prime factors of 62440 and 62447, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 62440 and 62447.

How to find the GCF of 62440 and 62447?

We will first find the prime factorization of 62440 and 62447. After we will calculate the factors of 62440 and 62447 and find the biggest common factor number .

Step-1: Prime Factorization of 62440

Prime factors of 62440 are 2, 5, 7, 223. Prime factorization of 62440 in exponential form is:

62440 = 2³ × 5¹ × 7¹ × 223¹

Step-2: Prime Factorization of 62447

Prime factors of 62447 are 7, 11, 811. Prime factorization of 62447 in exponential form is:

62447 = 7¹ × 11¹ × 811¹

Step-3: Factors of 62440

List of positive integer factors of 62440 that divides 62440 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4460, 6244, 7805, 8920, 12488, 15610, 31220

Step-4: Factors of 62447

List of positive integer factors of 62447 that divides 62440 without a remainder.

1, 7, 11, 77, 811, 5677, 8921

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 62440 and 62447. The biggest common factor number is the GCF number.
So the greatest common factor 62440 and 62447 is 7.

Also check out the Least Common Multiple of 62440 and 62447