Greatest Common Factor of 453, 735, 21

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

• Greatest Common Factor of 453, 735, 21 by common division method
• Greatest Common Factor of 453, 735, 21 with matching the biggest common factor

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

Factors of 453

List of positive integer factors of 453 that divides 453 without a remainder.

1,3,151,453

Factors of 735

List of positive integer factors of 735 that divides 735 without a remainder.

1,3,5,7,15,21,35,49,105,147,245,735

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 453,735,21 . The biggest common factor number is the GCF number.
So the greatest common factor 453,735,21 is 3.

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

• GCF of 455, 585, 57
• GCF of 908, 802, 90
• GCF of 546, 515, 26
• GCF of 694, 955, 41
• GCF of 407, 807, 37

1. What is the GCF of 453, 735, 21?

Answer: GCF of 453, 735, 21 is 3.

2. How to Find the GCF of 453, 735, 21

Answer: Greatest Common Factor(GCF) of 453, 735, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(453, 735, 21) = 3.