Greatest Common Factor of 98, 48, 21, 39, 38

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

• Greatest Common Factor of 98, 48, 21, 39, 38 by common division method
• Greatest Common Factor of 98, 48, 21, 39, 38 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 21

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

1,3,7,21

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Greatest Common Factor

We found the factors 98,48,21,39,38 . The biggest common factor number is the GCF number.
So the greatest common factor 98,48,21,39,38 is 1.

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

• GCF of 86, 79, 25, 61, 96
• GCF of 40, 34, 51, 85, 66
• GCF of 80, 48, 48, 23, 22
• GCF of 92, 74, 66, 25, 81
• GCF of 42, 85, 65, 22, 40

1. What is the GCF of 98, 48, 21, 39, 38?

Answer: GCF of 98, 48, 21, 39, 38 is 1.

2. How to Find the GCF of 98, 48, 21, 39, 38

Answer: Greatest Common Factor(GCF) of 98, 48, 21, 39, 38 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 48, 21, 39, 38) = 1.