Greatest Common Factor of 23, 42, 45, 458

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

• Greatest Common Factor of 23, 42, 45, 458 by common division method
• Greatest Common Factor of 23, 42, 45, 458 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 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 458

List of positive integer factors of 458 that divides 458 without a remainder.

1,2,229,458

Greatest Common Factor

We found the factors 23,42,45,458 . The biggest common factor number is the GCF number.
So the greatest common factor 23,42,45,458 is 1.

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

• GCF of 93, 32, 83, 391
• GCF of 24, 92, 92, 417
• GCF of 15, 48, 92, 831
• GCF of 91, 45, 37, 741
• GCF of 30, 17, 45, 293

1. What is the GCF of 23, 42, 45, 458?

Answer: GCF of 23, 42, 45, 458 is 1.

2. How to Find the GCF of 23, 42, 45, 458

Answer: Greatest Common Factor(GCF) of 23, 42, 45, 458 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 42, 45, 458) = 1.