Greatest Common Factor of 20, 98, 51, 7

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

• Greatest Common Factor of 20, 98, 51, 7 by common division method
• Greatest Common Factor of 20, 98, 51, 7 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 98

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

1,2,7,14,49,98

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 7

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

1,7

Greatest Common Factor

We found the factors 20,98,51,7 . The biggest common factor number is the GCF number.
So the greatest common factor 20,98,51,7 is 1.

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

• GCF of 33, 93, 45, 9
• GCF of 54, 27, 97, 4
• GCF of 48, 15, 58, 1
• GCF of 29, 71, 60, 4
• GCF of 14, 50, 31, 8

1. What is the GCF of 20, 98, 51, 7?

Answer: GCF of 20, 98, 51, 7 is 1.

2. How to Find the GCF of 20, 98, 51, 7

Answer: Greatest Common Factor(GCF) of 20, 98, 51, 7 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 98, 51, 7) = 1.