Greatest Common Factor of 450, 639, 81

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

• Greatest Common Factor of 450, 639, 81 by common division method
• Greatest Common Factor of 450, 639, 81 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

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 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Greatest Common Factor

We found the factors 450,639,81 . The biggest common factor number is the GCF number.
So the greatest common factor 450,639,81 is 9.

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

• GCF of 878, 538, 96
• GCF of 196, 528, 46
• GCF of 519, 360, 83
• GCF of 983, 142, 88
• GCF of 103, 289, 89

1. What is the GCF of 450, 639, 81?

Answer: GCF of 450, 639, 81 is 9.

2. How to Find the GCF of 450, 639, 81

Answer: Greatest Common Factor(GCF) of 450, 639, 81 = 9

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

Step 2: Then multiply all the prime factors GCF(450, 639, 81) = 9.