Greatest Common Factor of 21, 708, 808

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

• Greatest Common Factor of 21, 708, 808 by common division method
• Greatest Common Factor of 21, 708, 808 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 708

List of positive integer factors of 708 that divides 708 without a remainder.

1,2,3,4,6,12,59,118,177,236,354,708

Factors of 808

List of positive integer factors of 808 that divides 808 without a remainder.

1,2,4,8,101,202,404,808

Greatest Common Factor

We found the factors 21,708,808 . The biggest common factor number is the GCF number.
So the greatest common factor 21,708,808 is 1.

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

• GCF of 20, 662, 314
• GCF of 74, 312, 488
• GCF of 40, 835, 266
• GCF of 84, 891, 728
• GCF of 20, 387, 840

1. What is the GCF of 21, 708, 808?

Answer: GCF of 21, 708, 808 is 1.

2. How to Find the GCF of 21, 708, 808

Answer: Greatest Common Factor(GCF) of 21, 708, 808 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 708, 808) = 1.