Greatest Common Factor of 25, 18, 99, 438

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

• Greatest Common Factor of 25, 18, 99, 438 by common division method
• Greatest Common Factor of 25, 18, 99, 438 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 18

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

1,2,3,6,9,18

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 25,18,99,438 . The biggest common factor number is the GCF number.
So the greatest common factor 25,18,99,438 is 1.

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

• GCF of 51, 31, 29, 795
• GCF of 91, 57, 53, 682
• GCF of 37, 45, 16, 961
• GCF of 96, 11, 73, 637
• GCF of 36, 36, 43, 478

1. What is the GCF of 25, 18, 99, 438?

Answer: GCF of 25, 18, 99, 438 is 1.

2. How to Find the GCF of 25, 18, 99, 438

Answer: Greatest Common Factor(GCF) of 25, 18, 99, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 18, 99, 438) = 1.