Greatest Common Factor of 570, 675, 21

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

• Greatest Common Factor of 570, 675, 21 by common division method
• Greatest Common Factor of 570, 675, 21 with matching the biggest common factor

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

Factors of 570

List of positive integer factors of 570 that divides 570 without a remainder.

1,2,3,5,6,10,15,19,30,38,57,95,114,190,285,570

Factors of 675

List of positive integer factors of 675 that divides 675 without a remainder.

1,3,5,9,15,25,27,45,75,135,225,675

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 570,675,21 . The biggest common factor number is the GCF number.
So the greatest common factor 570,675,21 is 3.

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

• GCF of 709, 211, 92
• GCF of 870, 379, 23
• GCF of 825, 517, 32
• GCF of 632, 815, 20
• GCF of 880, 498, 12

1. What is the GCF of 570, 675, 21?

Answer: GCF of 570, 675, 21 is 3.

2. How to Find the GCF of 570, 675, 21

Answer: Greatest Common Factor(GCF) of 570, 675, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(570, 675, 21) = 3.