Greatest Common Factor of 21, 42, 98, 957

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

• Greatest Common Factor of 21, 42, 98, 957 by common division method
• Greatest Common Factor of 21, 42, 98, 957 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

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

1,3,7,21

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 98

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

1,2,7,14,49,98

Factors of 957

List of positive integer factors of 957 that divides 957 without a remainder.

1,3,11,29,33,87,319,957

Greatest Common Factor

We found the factors 21,42,98,957 . The biggest common factor number is the GCF number.
So the greatest common factor 21,42,98,957 is 1.

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

• GCF of 39, 10, 62, 774
• GCF of 81, 98, 92, 824
• GCF of 57, 73, 50, 708
• GCF of 62, 98, 71, 494
• GCF of 43, 48, 81, 947

1. What is the GCF of 21, 42, 98, 957?

Answer: GCF of 21, 42, 98, 957 is 1.

2. How to Find the GCF of 21, 42, 98, 957

Answer: Greatest Common Factor(GCF) of 21, 42, 98, 957 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 42, 98, 957) = 1.