Greatest Common Factor of 98, 42, 57, 815

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

• Greatest Common Factor of 98, 42, 57, 815 by common division method
• Greatest Common Factor of 98, 42, 57, 815 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 98

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

1,2,7,14,49,98

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 57

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

1,3,19,57

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 98,42,57,815 . The biggest common factor number is the GCF number.
So the greatest common factor 98,42,57,815 is 1.

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

• GCF of 96, 30, 84, 282
• GCF of 90, 49, 30, 871
• GCF of 36, 93, 21, 849
• GCF of 44, 73, 44, 948
• GCF of 31, 32, 57, 112

1. What is the GCF of 98, 42, 57, 815?

Answer: GCF of 98, 42, 57, 815 is 1.

2. How to Find the GCF of 98, 42, 57, 815

Answer: Greatest Common Factor(GCF) of 98, 42, 57, 815 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 42, 57, 815) = 1.