Greatest Common Factor of 42, 79, 16, 345

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

• Greatest Common Factor of 42, 79, 16, 345 by common division method
• Greatest Common Factor of 42, 79, 16, 345 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 16

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

1,2,4,8,16

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Greatest Common Factor

We found the factors 42,79,16,345 . The biggest common factor number is the GCF number.
So the greatest common factor 42,79,16,345 is 1.

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

• GCF of 28, 90, 64, 692
• GCF of 65, 51, 27, 385
• GCF of 91, 86, 76, 937
• GCF of 51, 35, 55, 560
• GCF of 52, 24, 72, 228

1. What is the GCF of 42, 79, 16, 345?

Answer: GCF of 42, 79, 16, 345 is 1.

2. How to Find the GCF of 42, 79, 16, 345

Answer: Greatest Common Factor(GCF) of 42, 79, 16, 345 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 79, 16, 345) = 1.