Greatest Common Factor of 83, 55, 12, 15

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

• Greatest Common Factor of 83, 55, 12, 15 by common division method
• Greatest Common Factor of 83, 55, 12, 15 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 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 55

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

1,5,11,55

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 15

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

1,3,5,15

Greatest Common Factor

We found the factors 83,55,12,15 . The biggest common factor number is the GCF number.
So the greatest common factor 83,55,12,15 is 1.

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

• GCF of 20, 44, 65, 32
• GCF of 42, 75, 99, 23
• GCF of 40, 43, 34, 38
• GCF of 57, 54, 55, 77
• GCF of 74, 72, 68, 30

1. What is the GCF of 83, 55, 12, 15?

Answer: GCF of 83, 55, 12, 15 is 1.

2. How to Find the GCF of 83, 55, 12, 15

Answer: Greatest Common Factor(GCF) of 83, 55, 12, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 55, 12, 15) = 1.