Greatest Common Factor of 84, 66, 47, 63

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

• Greatest Common Factor of 84, 66, 47, 63 by common division method
• Greatest Common Factor of 84, 66, 47, 63 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 63

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

1,3,7,9,21,63

Greatest Common Factor

We found the factors 84,66,47,63 . The biggest common factor number is the GCF number.
So the greatest common factor 84,66,47,63 is 1.

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

• GCF of 48, 79, 42, 50
• GCF of 45, 40, 28, 11
• GCF of 52, 54, 27, 99
• GCF of 43, 40, 21, 79
• GCF of 23, 43, 56, 72

1. What is the GCF of 84, 66, 47, 63?

Answer: GCF of 84, 66, 47, 63 is 1.

2. How to Find the GCF of 84, 66, 47, 63

Answer: Greatest Common Factor(GCF) of 84, 66, 47, 63 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 66, 47, 63) = 1.