Greatest Common Factor of 15, 57, 98, 557

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

• Greatest Common Factor of 15, 57, 98, 557 by common division method
• Greatest Common Factor of 15, 57, 98, 557 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 557

List of positive integer factors of 557 that divides 557 without a remainder.

1,557

Greatest Common Factor

We found the factors 15,57,98,557 . The biggest common factor number is the GCF number.
So the greatest common factor 15,57,98,557 is 1.

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

• GCF of 74, 40, 10, 846
• GCF of 32, 27, 28, 146
• GCF of 84, 88, 11, 198
• GCF of 32, 78, 26, 832
• GCF of 37, 38, 54, 832

1. What is the GCF of 15, 57, 98, 557?

Answer: GCF of 15, 57, 98, 557 is 1.

2. How to Find the GCF of 15, 57, 98, 557

Answer: Greatest Common Factor(GCF) of 15, 57, 98, 557 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 57, 98, 557) = 1.