What is the Greatest Common Factor of 10840 and 10860?

Greatest common factor (GCF) of 10840 and 10860 is 20.

GCF(10840,10860) = 20

We will now calculate the prime factors of 10840 and 10860, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10840 and 10860.

How to find the GCF of 10840 and 10860?

We will first find the prime factorization of 10840 and 10860. After we will calculate the factors of 10840 and 10860 and find the biggest common factor number .

Step-1: Prime Factorization of 10840

Prime factors of 10840 are 2, 5, 271. Prime factorization of 10840 in exponential form is:

10840 = 2³ × 5¹ × 271¹

Step-2: Prime Factorization of 10860

Prime factors of 10860 are 2, 3, 5, 181. Prime factorization of 10860 in exponential form is:

10860 = 2² × 3¹ × 5¹ × 181¹

Step-3: Factors of 10840

List of positive integer factors of 10840 that divides 10840 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420

Step-4: Factors of 10860

List of positive integer factors of 10860 that divides 10840 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 362, 543, 724, 905, 1086, 1810, 2172, 2715, 3620, 5430

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10840 and 10860. The biggest common factor number is the GCF number.
So the greatest common factor 10840 and 10860 is 20.

Also check out the Least Common Multiple of 10840 and 10860