Greatest Common Factor of 42, 61, 15, 62, 85

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

• Greatest Common Factor of 42, 61, 15, 62, 85 by common division method
• Greatest Common Factor of 42, 61, 15, 62, 85 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 61

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

1,61

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

Factors of 85

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

1,5,17,85

Greatest Common Factor

We found the factors 42,61,15,62,85 . The biggest common factor number is the GCF number.
So the greatest common factor 42,61,15,62,85 is 1.

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

• GCF of 79, 28, 39, 24, 79
• GCF of 31, 44, 62, 57, 11
• GCF of 29, 59, 80, 57, 86
• GCF of 78, 63, 18, 43, 27
• GCF of 40, 83, 76, 41, 94

1. What is the GCF of 42, 61, 15, 62, 85?

Answer: GCF of 42, 61, 15, 62, 85 is 1.

2. How to Find the GCF of 42, 61, 15, 62, 85

Answer: Greatest Common Factor(GCF) of 42, 61, 15, 62, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 61, 15, 62, 85) = 1.