Greatest Common Factor of 18, 20, 749

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

• Greatest Common Factor of 18, 20, 749 by common division method
• Greatest Common Factor of 18, 20, 749 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 18

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

1,2,3,6,9,18

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 749

List of positive integer factors of 749 that divides 749 without a remainder.

1,7,107,749

Greatest Common Factor

We found the factors 18,20,749 . The biggest common factor number is the GCF number.
So the greatest common factor 18,20,749 is 1.

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

• GCF of 44, 35, 660
• GCF of 10, 19, 924
• GCF of 22, 20, 316
• GCF of 62, 96, 532
• GCF of 30, 13, 670

1. What is the GCF of 18, 20, 749?

Answer: GCF of 18, 20, 749 is 1.

2. How to Find the GCF of 18, 20, 749

Answer: Greatest Common Factor(GCF) of 18, 20, 749 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 20, 749) = 1.