Greatest Common Factor of 43, 16, 640

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

• Greatest Common Factor of 43, 16, 640 by common division method
• Greatest Common Factor of 43, 16, 640 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 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 43,16,640 . The biggest common factor number is the GCF number.
So the greatest common factor 43,16,640 is 1.

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

• GCF of 93, 12, 722
• GCF of 78, 50, 971
• GCF of 64, 70, 177
• GCF of 33, 20, 657
• GCF of 63, 66, 689

1. What is the GCF of 43, 16, 640?

Answer: GCF of 43, 16, 640 is 1.

2. How to Find the GCF of 43, 16, 640

Answer: Greatest Common Factor(GCF) of 43, 16, 640 = 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, 640) = 1.