Greatest Common Factor of 16, 89, 68, 391

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

• Greatest Common Factor of 16, 89, 68, 391 by common division method
• Greatest Common Factor of 16, 89, 68, 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 16

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

1,2,4,8,16

Factors of 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 68

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

1,2,4,17,34,68

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 16,89,68,391 . The biggest common factor number is the GCF number.
So the greatest common factor 16,89,68,391 is 1.

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

• GCF of 54, 44, 30, 461
• GCF of 33, 57, 86, 512
• GCF of 44, 74, 26, 702
• GCF of 65, 18, 26, 349
• GCF of 31, 80, 85, 867

1. What is the GCF of 16, 89, 68, 391?

Answer: GCF of 16, 89, 68, 391 is 1.

2. How to Find the GCF of 16, 89, 68, 391

Answer: Greatest Common Factor(GCF) of 16, 89, 68, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 89, 68, 391) = 1.