Greatest Common Factor of 18, 55, 40, 436

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

• Greatest Common Factor of 18, 55, 40, 436 by common division method
• Greatest Common Factor of 18, 55, 40, 436 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 436

List of positive integer factors of 436 that divides 436 without a remainder.

1,2,4,109,218,436

Greatest Common Factor

We found the factors 18,55,40,436 . The biggest common factor number is the GCF number.
So the greatest common factor 18,55,40,436 is 1.

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

• GCF of 49, 16, 48, 278
• GCF of 31, 25, 71, 516
• GCF of 79, 79, 47, 842
• GCF of 78, 93, 30, 539
• GCF of 11, 68, 33, 330

1. What is the GCF of 18, 55, 40, 436?

Answer: GCF of 18, 55, 40, 436 is 1.

2. How to Find the GCF of 18, 55, 40, 436

Answer: Greatest Common Factor(GCF) of 18, 55, 40, 436 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 55, 40, 436) = 1.