Greatest Common Factor of 23, 51, 438

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

• Greatest Common Factor of 23, 51, 438 by common division method
• Greatest Common Factor of 23, 51, 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

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 23,51,438 . The biggest common factor number is the GCF number.
So the greatest common factor 23,51,438 is 1.

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

• GCF of 94, 33, 662
• GCF of 67, 21, 284
• GCF of 88, 65, 187
• GCF of 49, 58, 121
• GCF of 79, 57, 217

1. What is the GCF of 23, 51, 438?

Answer: GCF of 23, 51, 438 is 1.

2. How to Find the GCF of 23, 51, 438

Answer: Greatest Common Factor(GCF) of 23, 51, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 51, 438) = 1.