Greatest Common Factor of 28, 20, 402

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

• Greatest Common Factor of 28, 20, 402 by common division method
• Greatest Common Factor of 28, 20, 402 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 = 2

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 20

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

1,2,4,5,10,20

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Greatest Common Factor

We found the factors 28,20,402 . The biggest common factor number is the GCF number.
So the greatest common factor 28,20,402 is 2.

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

• GCF of 81, 99, 815
• GCF of 98, 73, 484
• GCF of 75, 12, 660
• GCF of 64, 94, 775
• GCF of 21, 38, 716

1. What is the GCF of 28, 20, 402?

Answer: GCF of 28, 20, 402 is 2.

2. How to Find the GCF of 28, 20, 402

Answer: Greatest Common Factor(GCF) of 28, 20, 402 = 2

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

Step 2: Then multiply all the prime factors GCF(28, 20, 402) = 2.