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What is the Greatest Common Factor of 2840 and 2859?

Greatest common factor (GCF) of 2840 and 2859 is 1.

GCF(2840,2859) = 1

We will now calculate the prime factors of 2840 and 2859, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2840 and 2859.

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How to find the GCF of 2840 and 2859?

We will first find the prime factorization of 2840 and 2859. After we will calculate the factors of 2840 and 2859 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 2859

Prime factors of 2859 are 3, 953. Prime factorization of 2859 in exponential form is:

2859 = 31 × 9531

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 2859

List of positive integer factors of 2859 that divides 2840 without a remainder.

1, 3, 953

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2840 and 2859. The biggest common factor number is the GCF number.
So the greatest common factor 2840 and 2859 is 1.

Also check out the Least Common Multiple of 2840 and 2859