Greatest Common Factor of 42, 45, 36, 438

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

• Greatest Common Factor of 42, 45, 36, 438 by common division method
• Greatest Common Factor of 42, 45, 36, 438 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

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 42,45,36,438 . The biggest common factor number is the GCF number.
So the greatest common factor 42,45,36,438 is 3.

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

• GCF of 96, 25, 76, 200
• GCF of 54, 90, 59, 491
• GCF of 16, 86, 17, 444
• GCF of 36, 27, 89, 509
• GCF of 65, 33, 32, 770

1. What is the GCF of 42, 45, 36, 438?

Answer: GCF of 42, 45, 36, 438 is 3.

2. How to Find the GCF of 42, 45, 36, 438

Answer: Greatest Common Factor(GCF) of 42, 45, 36, 438 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 45, 36, 438) = 3.