Greatest Common Factor of 15, 35, 31, 387

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

• Greatest Common Factor of 15, 35, 31, 387 by common division method
• Greatest Common Factor of 15, 35, 31, 387 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 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 31

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

1,31

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Greatest Common Factor

We found the factors 15,35,31,387 . The biggest common factor number is the GCF number.
So the greatest common factor 15,35,31,387 is 1.

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

• GCF of 94, 73, 75, 395
• GCF of 90, 41, 98, 486
• GCF of 48, 38, 70, 406
• GCF of 93, 52, 29, 571
• GCF of 91, 97, 41, 991

1. What is the GCF of 15, 35, 31, 387?

Answer: GCF of 15, 35, 31, 387 is 1.

2. How to Find the GCF of 15, 35, 31, 387

Answer: Greatest Common Factor(GCF) of 15, 35, 31, 387 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 35, 31, 387) = 1.