Greatest Common Factor of 47, 61, 21, 488

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

• Greatest Common Factor of 47, 61, 21, 488 by common division method
• Greatest Common Factor of 47, 61, 21, 488 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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 488

List of positive integer factors of 488 that divides 488 without a remainder.

1,2,4,8,61,122,244,488

Greatest Common Factor

We found the factors 47,61,21,488 . The biggest common factor number is the GCF number.
So the greatest common factor 47,61,21,488 is 1.

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

• GCF of 91, 78, 26, 686
• GCF of 55, 51, 68, 125
• GCF of 70, 38, 24, 718
• GCF of 42, 91, 27, 484
• GCF of 17, 24, 52, 836

1. What is the GCF of 47, 61, 21, 488?

Answer: GCF of 47, 61, 21, 488 is 1.

2. How to Find the GCF of 47, 61, 21, 488

Answer: Greatest Common Factor(GCF) of 47, 61, 21, 488 = 1

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

Step 2: Then multiply all the prime factors GCF(47, 61, 21, 488) = 1.