Greatest Common Factor of 15, 72, 61, 394

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

• Greatest Common Factor of 15, 72, 61, 394 by common division method
• Greatest Common Factor of 15, 72, 61, 394 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 394

List of positive integer factors of 394 that divides 394 without a remainder.

1,2,197,394

Greatest Common Factor

We found the factors 15,72,61,394 . The biggest common factor number is the GCF number.
So the greatest common factor 15,72,61,394 is 1.

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

• GCF of 23, 23, 61, 471
• GCF of 70, 65, 34, 117
• GCF of 98, 34, 25, 918
• GCF of 89, 51, 66, 951
• GCF of 80, 36, 47, 595

1. What is the GCF of 15, 72, 61, 394?

Answer: GCF of 15, 72, 61, 394 is 1.

2. How to Find the GCF of 15, 72, 61, 394

Answer: Greatest Common Factor(GCF) of 15, 72, 61, 394 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 72, 61, 394) = 1.