Greatest Common Factor of 450, 988, 20

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

• Greatest Common Factor of 450, 988, 20 by common division method
• Greatest Common Factor of 450, 988, 20 with matching the biggest common factor

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

Factors of 450

List of positive integer factors of 450 that divides 450 without a remainder.

1,2,3,5,6,9,10,15,18,25,30,45,50,75,90,150,225,450

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

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 450,988,20 . The biggest common factor number is the GCF number.
So the greatest common factor 450,988,20 is 2.

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

• GCF of 455, 675, 88
• GCF of 490, 991, 74
• GCF of 893, 774, 48
• GCF of 876, 357, 44
• GCF of 833, 863, 72

1. What is the GCF of 450, 988, 20?

Answer: GCF of 450, 988, 20 is 2.

2. How to Find the GCF of 450, 988, 20

Answer: Greatest Common Factor(GCF) of 450, 988, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(450, 988, 20) = 2.