What is the Greatest Common Factor of 2840 and 2851?

Greatest common factor (GCF) of 2840 and 2851 is 1.

GCF(2840,2851) = 1

We will now calculate the prime factors of 2840 and 2851, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2840 and 2851.

How to find the GCF of 2840 and 2851?

We will first find the prime factorization of 2840 and 2851. After we will calculate the factors of 2840 and 2851 and find the biggest common factor number .

Step-1: Prime Factorization of 2840

Prime factors of 2840 are 2, 5, 71. Prime factorization of 2840 in exponential form is:

2840 = 2³ × 5¹ × 71¹

Step-2: Prime Factorization of 2851

Prime factors of 2851 are 2851. Prime factorization of 2851 in exponential form is:

2851 = 2851¹

Step-3: Factors of 2840

List of positive integer factors of 2840 that divides 2840 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420

Step-4: Factors of 2851

List of positive integer factors of 2851 that divides 2840 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2840 and 2851. The biggest common factor number is the GCF number.
So the greatest common factor 2840 and 2851 is 1.

Also check out the Least Common Multiple of 2840 and 2851