Greatest Common Factor of 84, 63, 147

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

• Greatest Common Factor of 84, 63, 147 by common division method
• Greatest Common Factor of 84, 63, 147 with matching the biggest common factor

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

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 63

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

1,3,7,9,21,63

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 84,63,147 . The biggest common factor number is the GCF number.
So the greatest common factor 84,63,147 is 21.

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

• GCF of 69, 67, 764
• GCF of 41, 42, 469
• GCF of 83, 17, 623
• GCF of 93, 19, 524
• GCF of 43, 83, 582

1. What is the GCF of 84, 63, 147?

Answer: GCF of 84, 63, 147 is 21.

2. How to Find the GCF of 84, 63, 147

Answer: Greatest Common Factor(GCF) of 84, 63, 147 = 21

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

Step 2: Then multiply all the prime factors GCF(84, 63, 147) = 21.