Greatest Common Factor of 21, 36, 63, 699

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

• Greatest Common Factor of 21, 36, 63, 699 by common division method
• Greatest Common Factor of 21, 36, 63, 699 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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 699

List of positive integer factors of 699 that divides 699 without a remainder.

1,3,233,699

Greatest Common Factor

We found the factors 21,36,63,699 . The biggest common factor number is the GCF number.
So the greatest common factor 21,36,63,699 is 3.

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

• GCF of 56, 74, 91, 919
• GCF of 96, 36, 80, 623
• GCF of 33, 17, 74, 924
• GCF of 53, 22, 62, 470
• GCF of 58, 92, 86, 575

1. What is the GCF of 21, 36, 63, 699?

Answer: GCF of 21, 36, 63, 699 is 3.

2. How to Find the GCF of 21, 36, 63, 699

Answer: Greatest Common Factor(GCF) of 21, 36, 63, 699 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 36, 63, 699) = 3.