Greatest Common Factor of 98, 90, 15, 56

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

• Greatest Common Factor of 98, 90, 15, 56 by common division method
• Greatest Common Factor of 98, 90, 15, 56 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 15

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

1,3,5,15

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 98,90,15,56 . The biggest common factor number is the GCF number.
So the greatest common factor 98,90,15,56 is 1.

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

• GCF of 35, 85, 78, 60
• GCF of 68, 79, 63, 18
• GCF of 48, 25, 18, 60
• GCF of 53, 40, 25, 68
• GCF of 75, 89, 42, 61

1. What is the GCF of 98, 90, 15, 56?

Answer: GCF of 98, 90, 15, 56 is 1.

2. How to Find the GCF of 98, 90, 15, 56

Answer: Greatest Common Factor(GCF) of 98, 90, 15, 56 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 90, 15, 56) = 1.