Greatest Common Factor of 43, 17, 20, 408

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

• Greatest Common Factor of 43, 17, 20, 408 by common division method
• Greatest Common Factor of 43, 17, 20, 408 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 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Greatest Common Factor

We found the factors 43,17,20,408 . The biggest common factor number is the GCF number.
So the greatest common factor 43,17,20,408 is 1.

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

• GCF of 25, 32, 12, 333
• GCF of 56, 14, 28, 533
• GCF of 49, 95, 31, 703
• GCF of 63, 35, 79, 487
• GCF of 96, 63, 48, 274

1. What is the GCF of 43, 17, 20, 408?

Answer: GCF of 43, 17, 20, 408 is 1.

2. How to Find the GCF of 43, 17, 20, 408

Answer: Greatest Common Factor(GCF) of 43, 17, 20, 408 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 17, 20, 408) = 1.