Greatest Common Factor of 16, 68, 25, 78

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

• Greatest Common Factor of 16, 68, 25, 78 by common division method
• Greatest Common Factor of 16, 68, 25, 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 16

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

1,2,4,8,16

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

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 16,68,25,78 . The biggest common factor number is the GCF number.
So the greatest common factor 16,68,25,78 is 1.

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

• GCF of 46, 21, 18, 69
• GCF of 27, 21, 93, 38
• GCF of 42, 24, 94, 98
• GCF of 64, 23, 48, 44
• GCF of 64, 59, 48, 40

1. What is the GCF of 16, 68, 25, 78?

Answer: GCF of 16, 68, 25, 78 is 1.

2. How to Find the GCF of 16, 68, 25, 78

Answer: Greatest Common Factor(GCF) of 16, 68, 25, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 68, 25, 78) = 1.