Greatest Common Factor of 290, 264, 21

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

• Greatest Common Factor of 290, 264, 21 by common division method
• Greatest Common Factor of 290, 264, 21 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 290

List of positive integer factors of 290 that divides 290 without a remainder.

1,2,5,10,29,58,145,290

Factors of 264

List of positive integer factors of 264 that divides 264 without a remainder.

1,2,3,4,6,8,11,12,22,24,33,44,66,88,132,264

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 290,264,21 . The biggest common factor number is the GCF number.
So the greatest common factor 290,264,21 is 1.

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

• GCF of 106, 205, 35
• GCF of 973, 480, 60
• GCF of 543, 178, 91
• GCF of 721, 974, 75
• GCF of 870, 876, 10

1. What is the GCF of 290, 264, 21?

Answer: GCF of 290, 264, 21 is 1.

2. How to Find the GCF of 290, 264, 21

Answer: Greatest Common Factor(GCF) of 290, 264, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(290, 264, 21) = 1.