Greatest Common Factor of 43, 16, 49, 12, 391

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

• Greatest Common Factor of 43, 16, 49, 12, 391 by common division method
• Greatest Common Factor of 43, 16, 49, 12, 391 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 12

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

1,2,3,4,6,12

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 43,16,49,12,391 . The biggest common factor number is the GCF number.
So the greatest common factor 43,16,49,12,391 is 1.

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

• GCF of 85, 26, 73, 59, 704
• GCF of 98, 65, 90, 73, 961
• GCF of 15, 61, 50, 84, 145
• GCF of 56, 16, 68, 64, 648
• GCF of 95, 10, 99, 16, 336

1. What is the GCF of 43, 16, 49, 12, 391?

Answer: GCF of 43, 16, 49, 12, 391 is 1.

2. How to Find the GCF of 43, 16, 49, 12, 391

Answer: Greatest Common Factor(GCF) of 43, 16, 49, 12, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 16, 49, 12, 391) = 1.