Greatest Common Factor of 18, 22, 31, 945

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

• Greatest Common Factor of 18, 22, 31, 945 by common division method
• Greatest Common Factor of 18, 22, 31, 945 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 31

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

1,31

Factors of 945

List of positive integer factors of 945 that divides 945 without a remainder.

1,3,5,7,9,15,21,27,35,45,63,105,135,189,315,945

Greatest Common Factor

We found the factors 18,22,31,945 . The biggest common factor number is the GCF number.
So the greatest common factor 18,22,31,945 is 1.

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

• GCF of 78, 46, 19, 476
• GCF of 30, 28, 97, 260
• GCF of 85, 21, 94, 778
• GCF of 90, 40, 70, 354
• GCF of 57, 65, 47, 542

1. What is the GCF of 18, 22, 31, 945?

Answer: GCF of 18, 22, 31, 945 is 1.

2. How to Find the GCF of 18, 22, 31, 945

Answer: Greatest Common Factor(GCF) of 18, 22, 31, 945 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 22, 31, 945) = 1.