Greatest Common Factor of 947, 187, 21

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

• Greatest Common Factor of 947, 187, 21 by common division method
• Greatest Common Factor of 947, 187, 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 947

List of positive integer factors of 947 that divides 947 without a remainder.

1,947

Factors of 187

List of positive integer factors of 187 that divides 187 without a remainder.

1,11,17,187

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 947,187,21 . The biggest common factor number is the GCF number.
So the greatest common factor 947,187,21 is 1.

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

• GCF of 400, 817, 45
• GCF of 183, 451, 39
• GCF of 111, 799, 91
• GCF of 747, 342, 92
• GCF of 444, 263, 55

1. What is the GCF of 947, 187, 21?

Answer: GCF of 947, 187, 21 is 1.

2. How to Find the GCF of 947, 187, 21

Answer: Greatest Common Factor(GCF) of 947, 187, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(947, 187, 21) = 1.