What is the Greatest Common Factor of 47481 and 47490?

Greatest common factor (GCF) of 47481 and 47490 is 3.

GCF(47481,47490) = 3

We will now calculate the prime factors of 47481 and 47490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47481 and 47490.

How to find the GCF of 47481 and 47490?

We will first find the prime factorization of 47481 and 47490. After we will calculate the factors of 47481 and 47490 and find the biggest common factor number .

Step-1: Prime Factorization of 47481

Prime factors of 47481 are 3, 7, 17, 19. Prime factorization of 47481 in exponential form is:

47481 = 3¹ × 7² × 17¹ × 19¹

Step-2: Prime Factorization of 47490

Prime factors of 47490 are 2, 3, 5, 1583. Prime factorization of 47490 in exponential form is:

47490 = 2¹ × 3¹ × 5¹ × 1583¹

Step-3: Factors of 47481

List of positive integer factors of 47481 that divides 47481 without a remainder.

1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 2261, 2499, 2793, 6783, 15827

Step-4: Factors of 47490

List of positive integer factors of 47490 that divides 47481 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1583, 3166, 4749, 7915, 9498, 15830, 23745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47481 and 47490. The biggest common factor number is the GCF number.
So the greatest common factor 47481 and 47490 is 3.

Also check out the Least Common Multiple of 47481 and 47490