Greatest Common Factor of 21, 51, 194

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

• Greatest Common Factor of 21, 51, 194 by common division method
• Greatest Common Factor of 21, 51, 194 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 194

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

1,2,97,194

Greatest Common Factor

We found the factors 21,51,194 . The biggest common factor number is the GCF number.
So the greatest common factor 21,51,194 is 1.

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

• GCF of 67, 42, 688
• GCF of 96, 47, 382
• GCF of 35, 51, 688
• GCF of 41, 72, 587
• GCF of 90, 66, 524

1. What is the GCF of 21, 51, 194?

Answer: GCF of 21, 51, 194 is 1.

2. How to Find the GCF of 21, 51, 194

Answer: Greatest Common Factor(GCF) of 21, 51, 194 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 51, 194) = 1.