Greatest Common Factor of 721, 560, 18

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

• Greatest Common Factor of 721, 560, 18 by common division method
• Greatest Common Factor of 721, 560, 18 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 560

List of positive integer factors of 560 that divides 560 without a remainder.

1,2,4,5,7,8,10,14,16,20,28,35,40,56,70,80,112,140,280,560

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 721,560,18 . The biggest common factor number is the GCF number.
So the greatest common factor 721,560,18 is 1.

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

• GCF of 529, 827, 15
• GCF of 918, 902, 29
• GCF of 985, 964, 21
• GCF of 228, 369, 70
• GCF of 217, 212, 90

1. What is the GCF of 721, 560, 18?

Answer: GCF of 721, 560, 18 is 1.

2. How to Find the GCF of 721, 560, 18

Answer: Greatest Common Factor(GCF) of 721, 560, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 560, 18) = 1.