Greatest Common Factor of 84, 78, 64, 987

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

• Greatest Common Factor of 84, 78, 64, 987 by common division method
• Greatest Common Factor of 84, 78, 64, 987 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

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 84,78,64,987 . The biggest common factor number is the GCF number.
So the greatest common factor 84,78,64,987 is 1.

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

• GCF of 49, 79, 97, 453
• GCF of 55, 99, 41, 281
• GCF of 78, 89, 66, 658
• GCF of 22, 80, 43, 679
• GCF of 21, 18, 26, 830

1. What is the GCF of 84, 78, 64, 987?

Answer: GCF of 84, 78, 64, 987 is 1.

2. How to Find the GCF of 84, 78, 64, 987

Answer: Greatest Common Factor(GCF) of 84, 78, 64, 987 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 78, 64, 987) = 1.