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What is the Greatest Common Factor of 10842 and 10858?

Greatest common factor (GCF) of 10842 and 10858 is 2.

GCF(10842,10858) = 2

We will now calculate the prime factors of 10842 and 10858, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10842 and 10858.

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How to find the GCF of 10842 and 10858?

We will first find the prime factorization of 10842 and 10858. After we will calculate the factors of 10842 and 10858 and find the biggest common factor number .

Step-1: Prime Factorization of 10842

Prime factors of 10842 are 2, 3, 13, 139. Prime factorization of 10842 in exponential form is:

10842 = 21 × 31 × 131 × 1391

Step-2: Prime Factorization of 10858

Prime factors of 10858 are 2, 61, 89. Prime factorization of 10858 in exponential form is:

10858 = 21 × 611 × 891

Step-3: Factors of 10842

List of positive integer factors of 10842 that divides 10842 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 3614, 5421

Step-4: Factors of 10858

List of positive integer factors of 10858 that divides 10842 without a remainder.

1, 2, 61, 89, 122, 178, 5429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10842 and 10858. The biggest common factor number is the GCF number.
So the greatest common factor 10842 and 10858 is 2.

Also check out the Least Common Multiple of 10842 and 10858