Greatest Common Factor of 63, 399, 987

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

• Greatest Common Factor of 63, 399, 987 by common division method
• Greatest Common Factor of 63, 399, 987 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 7 = 21

Factors of 63

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

1,3,7,9,21,63

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 987

List of positive integer factors of 987 that divides 987 without a remainder.

1,3,7,21,47,141,329,987

Greatest Common Factor

We found the factors 63,399,987 . The biggest common factor number is the GCF number.
So the greatest common factor 63,399,987 is 21.

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

• GCF of 90, 621, 556
• GCF of 66, 470, 345
• GCF of 79, 836, 649
• GCF of 66, 916, 116
• GCF of 61, 971, 643

1. What is the GCF of 63, 399, 987?

Answer: GCF of 63, 399, 987 is 21.

2. How to Find the GCF of 63, 399, 987

Answer: Greatest Common Factor(GCF) of 63, 399, 987 = 21

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

Step 2: Then multiply all the prime factors GCF(63, 399, 987) = 21.