Greatest Common Factor of 438, 16, 90

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

• Greatest Common Factor of 438, 16, 90 by common division method
• Greatest Common Factor of 438, 16, 90 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 438

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

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

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Greatest Common Factor

We found the factors 438,16,90 . The biggest common factor number is the GCF number.
So the greatest common factor 438,16,90 is 2.

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

• GCF of 805, 65, 59
• GCF of 881, 66, 45
• GCF of 839, 22, 10
• GCF of 760, 71, 88
• GCF of 646, 25, 21

1. What is the GCF of 438, 16, 90?

Answer: GCF of 438, 16, 90 is 2.

2. How to Find the GCF of 438, 16, 90

Answer: Greatest Common Factor(GCF) of 438, 16, 90 = 2

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

Step 2: Then multiply all the prime factors GCF(438, 16, 90) = 2.