Greatest Common Factor of 84, 16, 13, 78

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

• Greatest Common Factor of 84, 16, 13, 78 by common division method
• Greatest Common Factor of 84, 16, 13, 78 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 78

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

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

Greatest Common Factor

We found the factors 84,16,13,78 . The biggest common factor number is the GCF number.
So the greatest common factor 84,16,13,78 is 1.

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

• GCF of 87, 27, 98, 31
• GCF of 21, 41, 79, 63
• GCF of 32, 29, 94, 78
• GCF of 45, 37, 93, 94
• GCF of 98, 93, 70, 26

1. What is the GCF of 84, 16, 13, 78?

Answer: GCF of 84, 16, 13, 78 is 1.

2. How to Find the GCF of 84, 16, 13, 78

Answer: Greatest Common Factor(GCF) of 84, 16, 13, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 16, 13, 78) = 1.