Greatest Common Factor of 839, 124, 21

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 839, 124, 21 by common division method
• Greatest Common Factor of 839, 124, 21 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 839

List of positive integer factors of 839 that divides 839 without a remainder.

1,839

Factors of 124

List of positive integer factors of 124 that divides 124 without a remainder.

1,2,4,31,62,124

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 839,124,21 . The biggest common factor number is the GCF number.
So the greatest common factor 839,124,21 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 487, 208, 21
• GCF of 900, 724, 99
• GCF of 986, 352, 91
• GCF of 498, 735, 87
• GCF of 279, 289, 44

1. What is the GCF of 839, 124, 21?

Answer: GCF of 839, 124, 21 is 1.

2. How to Find the GCF of 839, 124, 21

Answer: Greatest Common Factor(GCF) of 839, 124, 21 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(839, 124, 21) = 1.