Greatest Common Factor of 42, 86, 55, 957

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

• Greatest Common Factor of 42, 86, 55, 957 by common division method
• Greatest Common Factor of 42, 86, 55, 957 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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 957

List of positive integer factors of 957 that divides 957 without a remainder.

1,3,11,29,33,87,319,957

Greatest Common Factor

We found the factors 42,86,55,957 . The biggest common factor number is the GCF number.
So the greatest common factor 42,86,55,957 is 1.

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

• GCF of 90, 70, 68, 196
• GCF of 74, 42, 69, 614
• GCF of 69, 61, 94, 166
• GCF of 77, 48, 33, 431
• GCF of 99, 17, 46, 243

1. What is the GCF of 42, 86, 55, 957?

Answer: GCF of 42, 86, 55, 957 is 1.

2. How to Find the GCF of 42, 86, 55, 957

Answer: Greatest Common Factor(GCF) of 42, 86, 55, 957 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 86, 55, 957) = 1.