Greatest Common Factor of 474, 495, 21

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

• Greatest Common Factor of 474, 495, 21 by common division method
• Greatest Common Factor of 474, 495, 21 with matching the biggest common factor

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

Factors of 474

List of positive integer factors of 474 that divides 474 without a remainder.

1,2,3,6,79,158,237,474

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 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 474,495,21 . The biggest common factor number is the GCF number.
So the greatest common factor 474,495,21 is 3.

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

• GCF of 337, 179, 92
• GCF of 953, 707, 60
• GCF of 801, 113, 15
• GCF of 972, 296, 73
• GCF of 118, 670, 26

1. What is the GCF of 474, 495, 21?

Answer: GCF of 474, 495, 21 is 3.

2. How to Find the GCF of 474, 495, 21

Answer: Greatest Common Factor(GCF) of 474, 495, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(474, 495, 21) = 3.