Greatest Common Factor of 78, 61, 72, 44, 78

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

• Greatest Common Factor of 78, 61, 72, 44, 78 by common division method
• Greatest Common Factor of 78, 61, 72, 44, 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 78

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

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

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 44

List of positive integer factors of 44 that divides 44 without a remainder.

1,2,4,11,22,44

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 78,61,72,44,78 . The biggest common factor number is the GCF number.
So the greatest common factor 78,61,72,44,78 is 1.

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

• GCF of 64, 79, 70, 13, 37
• GCF of 87, 62, 99, 76, 52
• GCF of 68, 32, 44, 69, 91
• GCF of 68, 31, 88, 71, 32
• GCF of 33, 25, 22, 48, 19

1. What is the GCF of 78, 61, 72, 44, 78?

Answer: GCF of 78, 61, 72, 44, 78 is 1.

2. How to Find the GCF of 78, 61, 72, 44, 78

Answer: Greatest Common Factor(GCF) of 78, 61, 72, 44, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 61, 72, 44, 78) = 1.