Greatest Common Factor of 98, 55, 39, 840

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

• Greatest Common Factor of 98, 55, 39, 840 by common division method
• Greatest Common Factor of 98, 55, 39, 840 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 98

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

1,2,7,14,49,98

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 39

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

1,3,13,39

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 98,55,39,840 . The biggest common factor number is the GCF number.
So the greatest common factor 98,55,39,840 is 1.

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

• GCF of 13, 43, 52, 189
• GCF of 32, 61, 97, 300
• GCF of 56, 14, 57, 223
• GCF of 35, 81, 33, 128
• GCF of 40, 64, 27, 684

1. What is the GCF of 98, 55, 39, 840?

Answer: GCF of 98, 55, 39, 840 is 1.

2. How to Find the GCF of 98, 55, 39, 840

Answer: Greatest Common Factor(GCF) of 98, 55, 39, 840 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 55, 39, 840) = 1.