Greatest Common Factor of 21, 495, 849

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

• Greatest Common Factor of 21, 495, 849 by common division method
• Greatest Common Factor of 21, 495, 849 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 21

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

1,3,7,21

Factors of 495

List of positive integer factors of 495 that divides 495 without a remainder.

1,3,5,9,11,15,33,45,55,99,165,495

Factors of 849

List of positive integer factors of 849 that divides 849 without a remainder.

1,3,283,849

Greatest Common Factor

We found the factors 21,495,849 . The biggest common factor number is the GCF number.
So the greatest common factor 21,495,849 is 3.

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

• GCF of 91, 764, 887
• GCF of 99, 425, 402
• GCF of 15, 617, 499
• GCF of 23, 272, 469
• GCF of 44, 838, 165

1. What is the GCF of 21, 495, 849?

Answer: GCF of 21, 495, 849 is 3.

2. How to Find the GCF of 21, 495, 849

Answer: Greatest Common Factor(GCF) of 21, 495, 849 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 495, 849) = 3.