What is the Greatest Common Factor of 82840 and 82855?

Greatest common factor (GCF) of 82840 and 82855 is 5.

GCF(82840,82855) = 5

We will now calculate the prime factors of 82840 and 82855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 82840 and 82855.

How to find the GCF of 82840 and 82855?

We will first find the prime factorization of 82840 and 82855. After we will calculate the factors of 82840 and 82855 and find the biggest common factor number .

Step-1: Prime Factorization of 82840

Prime factors of 82840 are 2, 5, 19, 109. Prime factorization of 82840 in exponential form is:

82840 = 2³ × 5¹ × 19¹ × 109¹

Step-2: Prime Factorization of 82855

Prime factors of 82855 are 5, 73, 227. Prime factorization of 82855 in exponential form is:

82855 = 5¹ × 73¹ × 227¹

Step-3: Factors of 82840

List of positive integer factors of 82840 that divides 82840 without a remainder.

1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 380, 436, 545, 760, 872, 1090, 2071, 2180, 4142, 4360, 8284, 10355, 16568, 20710, 41420

Step-4: Factors of 82855

List of positive integer factors of 82855 that divides 82840 without a remainder.

1, 5, 73, 227, 365, 1135, 16571

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 82840 and 82855. The biggest common factor number is the GCF number.
So the greatest common factor 82840 and 82855 is 5.

Also check out the Least Common Multiple of 82840 and 82855