Greatest Common Factor of 15, 31, 90, 82

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

• Greatest Common Factor of 15, 31, 90, 82 by common division method
• Greatest Common Factor of 15, 31, 90, 82 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 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 31

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

1,31

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 82

List of positive integer factors of 82 that divides 82 without a remainder.

1,2,41,82

Greatest Common Factor

We found the factors 15,31,90,82 . The biggest common factor number is the GCF number.
So the greatest common factor 15,31,90,82 is 1.

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

• GCF of 11, 45, 84, 16
• GCF of 97, 35, 68, 81
• GCF of 11, 27, 14, 80
• GCF of 56, 52, 89, 90
• GCF of 38, 32, 87, 88

1. What is the GCF of 15, 31, 90, 82?

Answer: GCF of 15, 31, 90, 82 is 1.

2. How to Find the GCF of 15, 31, 90, 82

Answer: Greatest Common Factor(GCF) of 15, 31, 90, 82 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 31, 90, 82) = 1.