Greatest Common Factor of 18, 69, 61, 440

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

• Greatest Common Factor of 18, 69, 61, 440 by common division method
• Greatest Common Factor of 18, 69, 61, 440 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 61

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

1,61

Factors of 440

List of positive integer factors of 440 that divides 440 without a remainder.

1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440

Greatest Common Factor

We found the factors 18,69,61,440 . The biggest common factor number is the GCF number.
So the greatest common factor 18,69,61,440 is 1.

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

• GCF of 26, 54, 31, 186
• GCF of 61, 98, 60, 240
• GCF of 85, 21, 69, 816
• GCF of 73, 79, 72, 495
• GCF of 19, 58, 56, 863

1. What is the GCF of 18, 69, 61, 440?

Answer: GCF of 18, 69, 61, 440 is 1.

2. How to Find the GCF of 18, 69, 61, 440

Answer: Greatest Common Factor(GCF) of 18, 69, 61, 440 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 69, 61, 440) = 1.