Greatest Common Factor of 649, 279, 20

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

• Greatest Common Factor of 649, 279, 20 by common division method
• Greatest Common Factor of 649, 279, 20 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 649

List of positive integer factors of 649 that divides 649 without a remainder.

1,11,59,649

Factors of 279

List of positive integer factors of 279 that divides 279 without a remainder.

1,3,9,31,93,279

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 649,279,20 . The biggest common factor number is the GCF number.
So the greatest common factor 649,279,20 is 1.

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

• GCF of 972, 335, 61
• GCF of 633, 970, 28
• GCF of 143, 898, 49
• GCF of 416, 958, 91
• GCF of 313, 353, 76

1. What is the GCF of 649, 279, 20?

Answer: GCF of 649, 279, 20 is 1.

2. How to Find the GCF of 649, 279, 20

Answer: Greatest Common Factor(GCF) of 649, 279, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(649, 279, 20) = 1.