Greatest Common Factor of 12, 23, 40, 678

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

• Greatest Common Factor of 12, 23, 40, 678 by common division method
• Greatest Common Factor of 12, 23, 40, 678 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 23

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

1,23

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Greatest Common Factor

We found the factors 12,23,40,678 . The biggest common factor number is the GCF number.
So the greatest common factor 12,23,40,678 is 1.

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

• GCF of 53, 39, 24, 259
• GCF of 47, 47, 70, 711
• GCF of 28, 31, 90, 310
• GCF of 89, 97, 38, 536
• GCF of 47, 73, 41, 694

1. What is the GCF of 12, 23, 40, 678?

Answer: GCF of 12, 23, 40, 678 is 1.

2. How to Find the GCF of 12, 23, 40, 678

Answer: Greatest Common Factor(GCF) of 12, 23, 40, 678 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 23, 40, 678) = 1.