What is the Greatest Common Factor of 47840 and 47855?

Greatest common factor (GCF) of 47840 and 47855 is 5.

GCF(47840,47855) = 5

We will now calculate the prime factors of 47840 and 47855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47840 and 47855.

How to find the GCF of 47840 and 47855?

We will first find the prime factorization of 47840 and 47855. After we will calculate the factors of 47840 and 47855 and find the biggest common factor number .

Step-1: Prime Factorization of 47840

Prime factors of 47840 are 2, 5, 13, 23. Prime factorization of 47840 in exponential form is:

47840 = 2⁵ × 5¹ × 13¹ × 23¹

Step-2: Prime Factorization of 47855

Prime factors of 47855 are 5, 17, 563. Prime factorization of 47855 in exponential form is:

47855 = 5¹ × 17¹ × 563¹

Step-3: Factors of 47840

List of positive integer factors of 47840 that divides 47840 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 736, 920, 1040, 1196, 1495, 1840, 2080, 2392, 2990, 3680, 4784, 5980, 9568, 11960, 23920

Step-4: Factors of 47855

List of positive integer factors of 47855 that divides 47840 without a remainder.

1, 5, 17, 85, 563, 2815, 9571

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47840 and 47855. The biggest common factor number is the GCF number.
So the greatest common factor 47840 and 47855 is 5.

Also check out the Least Common Multiple of 47840 and 47855