Greatest Common Factor of 669, 588, 21

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

• Greatest Common Factor of 669, 588, 21 by common division method
• Greatest Common Factor of 669, 588, 21 with matching the biggest common factor

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

Factors of 669

List of positive integer factors of 669 that divides 669 without a remainder.

1,3,223,669

Factors of 588

List of positive integer factors of 588 that divides 588 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,49,84,98,147,196,294,588

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 669,588,21 . The biggest common factor number is the GCF number.
So the greatest common factor 669,588,21 is 3.

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

• GCF of 462, 527, 54
• GCF of 231, 223, 76
• GCF of 523, 775, 88
• GCF of 239, 910, 66
• GCF of 313, 999, 13

1. What is the GCF of 669, 588, 21?

Answer: GCF of 669, 588, 21 is 3.

2. How to Find the GCF of 669, 588, 21

Answer: Greatest Common Factor(GCF) of 669, 588, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(669, 588, 21) = 3.