Greatest Common Factor of 21, 64, 462, 545

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

• Greatest Common Factor of 21, 64, 462, 545 by common division method
• Greatest Common Factor of 21, 64, 462, 545 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 21

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

1,3,7,21

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 462

List of positive integer factors of 462 that divides 462 without a remainder.

1,2,3,6,7,11,14,21,22,33,42,66,77,154,231,462

Factors of 545

List of positive integer factors of 545 that divides 545 without a remainder.

1,5,109,545

Greatest Common Factor

We found the factors 21,64,462,545 . The biggest common factor number is the GCF number.
So the greatest common factor 21,64,462,545 is 1.

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

• GCF of 80, 95, 337, 808
• GCF of 82, 51, 753, 113
• GCF of 31, 26, 960, 180
• GCF of 44, 17, 435, 486
• GCF of 94, 12, 775, 548

1. What is the GCF of 21, 64, 462, 545?

Answer: GCF of 21, 64, 462, 545 is 1.

2. How to Find the GCF of 21, 64, 462, 545

Answer: Greatest Common Factor(GCF) of 21, 64, 462, 545 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 64, 462, 545) = 1.