Greatest Common Factor of 21, 236, 255

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

• Greatest Common Factor of 21, 236, 255 by common division method
• Greatest Common Factor of 21, 236, 255 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 236

List of positive integer factors of 236 that divides 236 without a remainder.

1,2,4,59,118,236

Factors of 255

List of positive integer factors of 255 that divides 255 without a remainder.

1,3,5,15,17,51,85,255

Greatest Common Factor

We found the factors 21,236,255 . The biggest common factor number is the GCF number.
So the greatest common factor 21,236,255 is 1.

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

• GCF of 23, 790, 457
• GCF of 55, 537, 439
• GCF of 30, 573, 611
• GCF of 83, 100, 207
• GCF of 81, 188, 103

1. What is the GCF of 21, 236, 255?

Answer: GCF of 21, 236, 255 is 1.

2. How to Find the GCF of 21, 236, 255

Answer: Greatest Common Factor(GCF) of 21, 236, 255 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 236, 255) = 1.