Greatest Common Factor of 31, 60, 55, 45

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

• Greatest Common Factor of 31, 60, 55, 45 by common division method
• Greatest Common Factor of 31, 60, 55, 45 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 31

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

1,31

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 55

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

1,5,11,55

Factors of 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 31,60,55,45 . The biggest common factor number is the GCF number.
So the greatest common factor 31,60,55,45 is 1.

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

• GCF of 28, 39, 95, 83
• GCF of 26, 58, 24, 88
• GCF of 55, 20, 46, 35
• GCF of 13, 12, 28, 45
• GCF of 18, 10, 50, 71

1. What is the GCF of 31, 60, 55, 45?

Answer: GCF of 31, 60, 55, 45 is 1.

2. How to Find the GCF of 31, 60, 55, 45

Answer: Greatest Common Factor(GCF) of 31, 60, 55, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 60, 55, 45) = 1.