Greatest Common Factor of 405, 252, 40

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

• Greatest Common Factor of 405, 252, 40 by common division method
• Greatest Common Factor of 405, 252, 40 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Factors of 252

List of positive integer factors of 252 that divides 252 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,28,36,42,63,84,126,252

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Greatest Common Factor

We found the factors 405,252,40 . The biggest common factor number is the GCF number.
So the greatest common factor 405,252,40 is 1.

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

• GCF of 281, 360, 20
• GCF of 213, 581, 97
• GCF of 256, 329, 99
• GCF of 469, 410, 24
• GCF of 499, 783, 97

1. What is the GCF of 405, 252, 40?

Answer: GCF of 405, 252, 40 is 1.

2. How to Find the GCF of 405, 252, 40

Answer: Greatest Common Factor(GCF) of 405, 252, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(405, 252, 40) = 1.