Greatest Common Factor of 21, 194, 216

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

• Greatest Common Factor of 21, 194, 216 by common division method
• Greatest Common Factor of 21, 194, 216 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 194

List of positive integer factors of 194 that divides 194 without a remainder.

1,2,97,194

Factors of 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Greatest Common Factor

We found the factors 21,194,216 . The biggest common factor number is the GCF number.
So the greatest common factor 21,194,216 is 1.

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

• GCF of 38, 688, 951
• GCF of 29, 341, 217
• GCF of 68, 489, 591
• GCF of 44, 388, 209
• GCF of 57, 324, 525

1. What is the GCF of 21, 194, 216?

Answer: GCF of 21, 194, 216 is 1.

2. How to Find the GCF of 21, 194, 216

Answer: Greatest Common Factor(GCF) of 21, 194, 216 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 194, 216) = 1.