Greatest Common Factor of 98, 21, 90, 7, 32

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

• Greatest Common Factor of 98, 21, 90, 7, 32 by common division method
• Greatest Common Factor of 98, 21, 90, 7, 32 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

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 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Greatest Common Factor

We found the factors 98,21,90,7,32 . The biggest common factor number is the GCF number.
So the greatest common factor 98,21,90,7,32 is 1.

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

• GCF of 41, 85, 80, 9, 11
• GCF of 79, 52, 46, 2, 61
• GCF of 68, 52, 63, 2, 75
• GCF of 37, 92, 99, 4, 39
• GCF of 72, 34, 17, 1, 68

1. What is the GCF of 98, 21, 90, 7, 32?

Answer: GCF of 98, 21, 90, 7, 32 is 1.

2. How to Find the GCF of 98, 21, 90, 7, 32

Answer: Greatest Common Factor(GCF) of 98, 21, 90, 7, 32 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 21, 90, 7, 32) = 1.