Greatest Common Factor of 21, 79, 918, 485

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

• Greatest Common Factor of 21, 79, 918, 485 by common division method
• Greatest Common Factor of 21, 79, 918, 485 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 21

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

1,3,7,21

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 918

List of positive integer factors of 918 that divides 918 without a remainder.

1,2,3,6,9,17,18,27,34,51,54,102,153,306,459,918

Factors of 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Greatest Common Factor

We found the factors 21,79,918,485 . The biggest common factor number is the GCF number.
So the greatest common factor 21,79,918,485 is 1.

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

• GCF of 98, 25, 319, 493
• GCF of 84, 91, 744, 219
• GCF of 15, 34, 592, 855
• GCF of 59, 26, 403, 436
• GCF of 49, 18, 183, 504

1. What is the GCF of 21, 79, 918, 485?

Answer: GCF of 21, 79, 918, 485 is 1.

2. How to Find the GCF of 21, 79, 918, 485

Answer: Greatest Common Factor(GCF) of 21, 79, 918, 485 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 79, 918, 485) = 1.