Greatest Common Factor of 21, 480, 578

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

• Greatest Common Factor of 21, 480, 578 by common division method
• Greatest Common Factor of 21, 480, 578 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 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Factors of 578

List of positive integer factors of 578 that divides 578 without a remainder.

1,2,17,34,289,578

Greatest Common Factor

We found the factors 21,480,578 . The biggest common factor number is the GCF number.
So the greatest common factor 21,480,578 is 1.

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

• GCF of 40, 598, 151
• GCF of 94, 734, 388
• GCF of 49, 967, 459
• GCF of 74, 474, 866
• GCF of 33, 421, 688

1. What is the GCF of 21, 480, 578?

Answer: GCF of 21, 480, 578 is 1.

2. How to Find the GCF of 21, 480, 578

Answer: Greatest Common Factor(GCF) of 21, 480, 578 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 480, 578) = 1.