Greatest Common Factor of 15, 78, 88, 387

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

• Greatest Common Factor of 15, 78, 88, 387 by common division method
• Greatest Common Factor of 15, 78, 88, 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 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

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 15,78,88,387 . The biggest common factor number is the GCF number.
So the greatest common factor 15,78,88,387 is 1.

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

• GCF of 45, 21, 80, 270
• GCF of 95, 85, 11, 614
• GCF of 21, 74, 78, 754
• GCF of 17, 73, 53, 935
• GCF of 45, 32, 26, 320

1. What is the GCF of 15, 78, 88, 387?

Answer: GCF of 15, 78, 88, 387 is 1.

2. How to Find the GCF of 15, 78, 88, 387

Answer: Greatest Common Factor(GCF) of 15, 78, 88, 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, 78, 88, 387) = 1.