Greatest Common Factor of 42, 31, 45, 694

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

• Greatest Common Factor of 42, 31, 45, 694 by common division method
• Greatest Common Factor of 42, 31, 45, 694 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 694

List of positive integer factors of 694 that divides 694 without a remainder.

1,2,347,694

Greatest Common Factor

We found the factors 42,31,45,694 . The biggest common factor number is the GCF number.
So the greatest common factor 42,31,45,694 is 1.

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

• GCF of 92, 68, 65, 639
• GCF of 86, 65, 72, 223
• GCF of 62, 24, 86, 349
• GCF of 31, 68, 18, 648
• GCF of 61, 82, 42, 751

1. What is the GCF of 42, 31, 45, 694?

Answer: GCF of 42, 31, 45, 694 is 1.

2. How to Find the GCF of 42, 31, 45, 694

Answer: Greatest Common Factor(GCF) of 42, 31, 45, 694 = 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, 694) = 1.