Greatest Common Factor of 43, 40, 61, 68, 105

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

• Greatest Common Factor of 43, 40, 61, 68, 105 by common division method
• Greatest Common Factor of 43, 40, 61, 68, 105 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 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 43,40,61,68,105 . The biggest common factor number is the GCF number.
So the greatest common factor 43,40,61,68,105 is 1.

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

• GCF of 85, 92, 87, 84, 623
• GCF of 60, 82, 70, 31, 622
• GCF of 22, 87, 27, 49, 684
• GCF of 14, 46, 95, 21, 484
• GCF of 84, 67, 93, 96, 345

1. What is the GCF of 43, 40, 61, 68, 105?

Answer: GCF of 43, 40, 61, 68, 105 is 1.

2. How to Find the GCF of 43, 40, 61, 68, 105

Answer: Greatest Common Factor(GCF) of 43, 40, 61, 68, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 40, 61, 68, 105) = 1.