Greatest Common Factor of 85, 24, 4, 78

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

• Greatest Common Factor of 85, 24, 4, 78 by common division method
• Greatest Common Factor of 85, 24, 4, 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 4

List of positive integer factors of 4 that divides 4 without a remainder.

1,2,4

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 85,24,4,78 . The biggest common factor number is the GCF number.
So the greatest common factor 85,24,4,78 is 1.

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

• GCF of 23, 19, 4, 57
• GCF of 60, 69, 7, 57
• GCF of 68, 78, 1, 80
• GCF of 20, 44, 7, 35
• GCF of 39, 83, 6, 35

1. What is the GCF of 85, 24, 4, 78?

Answer: GCF of 85, 24, 4, 78 is 1.

2. How to Find the GCF of 85, 24, 4, 78

Answer: Greatest Common Factor(GCF) of 85, 24, 4, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 24, 4, 78) = 1.