Greatest Common Factor of 438, 981, 45

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

• Greatest Common Factor of 438, 981, 45 by common division method
• Greatest Common Factor of 438, 981, 45 with matching the biggest common factor

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

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 981

List of positive integer factors of 981 that divides 981 without a remainder.

1,3,9,109,327,981

Factors of 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 438,981,45 . The biggest common factor number is the GCF number.
So the greatest common factor 438,981,45 is 3.

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

• GCF of 270, 596, 21
• GCF of 543, 732, 28
• GCF of 880, 409, 19
• GCF of 523, 163, 71
• GCF of 695, 246, 78

1. What is the GCF of 438, 981, 45?

Answer: GCF of 438, 981, 45 is 3.

2. How to Find the GCF of 438, 981, 45

Answer: Greatest Common Factor(GCF) of 438, 981, 45 = 3

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

Step 2: Then multiply all the prime factors GCF(438, 981, 45) = 3.