Greatest Common Factor of 42, 31, 45, 418

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

• Greatest Common Factor of 42, 31, 45, 418 by common division method
• Greatest Common Factor of 42, 31, 45, 418 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 418

List of positive integer factors of 418 that divides 418 without a remainder.

1,2,11,19,22,38,209,418

Greatest Common Factor

We found the factors 42,31,45,418 . The biggest common factor number is the GCF number.
So the greatest common factor 42,31,45,418 is 1.

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

• GCF of 78, 72, 75, 886
• GCF of 32, 88, 91, 740
• GCF of 37, 38, 19, 649
• GCF of 42, 62, 80, 823
• GCF of 29, 28, 27, 444

1. What is the GCF of 42, 31, 45, 418?

Answer: GCF of 42, 31, 45, 418 is 1.

2. How to Find the GCF of 42, 31, 45, 418

Answer: Greatest Common Factor(GCF) of 42, 31, 45, 418 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 31, 45, 418) = 1.