Greatest Common Factor of 16, 72, 20, 417

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

• Greatest Common Factor of 16, 72, 20, 417 by common division method
• Greatest Common Factor of 16, 72, 20, 417 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 16

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

1,2,4,8,16

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 20

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

1,2,4,5,10,20

Factors of 417

List of positive integer factors of 417 that divides 417 without a remainder.

1,3,139,417

Greatest Common Factor

We found the factors 16,72,20,417 . The biggest common factor number is the GCF number.
So the greatest common factor 16,72,20,417 is 1.

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

• GCF of 47, 15, 80, 646
• GCF of 38, 35, 54, 328
• GCF of 30, 29, 72, 392
• GCF of 28, 45, 50, 191
• GCF of 24, 59, 72, 240

1. What is the GCF of 16, 72, 20, 417?

Answer: GCF of 16, 72, 20, 417 is 1.

2. How to Find the GCF of 16, 72, 20, 417

Answer: Greatest Common Factor(GCF) of 16, 72, 20, 417 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 72, 20, 417) = 1.