Greatest Common Factor of 61, 15, 37, 399

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

• Greatest Common Factor of 61, 15, 37, 399 by common division method
• Greatest Common Factor of 61, 15, 37, 399 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 61

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

1,61

Factors of 15

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

1,3,5,15

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 61,15,37,399 . The biggest common factor number is the GCF number.
So the greatest common factor 61,15,37,399 is 1.

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

• GCF of 59, 91, 78, 755
• GCF of 86, 90, 73, 993
• GCF of 14, 89, 26, 364
• GCF of 26, 73, 55, 975
• GCF of 86, 36, 96, 761

1. What is the GCF of 61, 15, 37, 399?

Answer: GCF of 61, 15, 37, 399 is 1.

2. How to Find the GCF of 61, 15, 37, 399

Answer: Greatest Common Factor(GCF) of 61, 15, 37, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 15, 37, 399) = 1.