Greatest Common Factor of 42, 57, 61, 79, 50

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

• Greatest Common Factor of 42, 57, 61, 79, 50 by common division method
• Greatest Common Factor of 42, 57, 61, 79, 50 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 61

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

1,61

Factors of 79

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

1,79

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Greatest Common Factor

We found the factors 42,57,61,79,50 . The biggest common factor number is the GCF number.
So the greatest common factor 42,57,61,79,50 is 1.

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

• GCF of 79, 71, 41, 70, 99
• GCF of 71, 99, 36, 31, 63
• GCF of 93, 64, 33, 55, 46
• GCF of 15, 68, 74, 44, 46
• GCF of 11, 68, 30, 38, 61

1. What is the GCF of 42, 57, 61, 79, 50?

Answer: GCF of 42, 57, 61, 79, 50 is 1.

2. How to Find the GCF of 42, 57, 61, 79, 50

Answer: Greatest Common Factor(GCF) of 42, 57, 61, 79, 50 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 57, 61, 79, 50) = 1.