Greatest Common Factor of 17, 78, 16, 105

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

• Greatest Common Factor of 17, 78, 16, 105 by common division method
• Greatest Common Factor of 17, 78, 16, 105 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 17

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

1,17

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 16

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

1,2,4,8,16

Factors of 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Greatest Common Factor

We found the factors 17,78,16,105 . The biggest common factor number is the GCF number.
So the greatest common factor 17,78,16,105 is 1.

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

• GCF of 73, 99, 13, 609
• GCF of 29, 73, 83, 430
• GCF of 31, 68, 53, 390
• GCF of 65, 62, 51, 662
• GCF of 75, 10, 62, 784

1. What is the GCF of 17, 78, 16, 105?

Answer: GCF of 17, 78, 16, 105 is 1.

2. How to Find the GCF of 17, 78, 16, 105

Answer: Greatest Common Factor(GCF) of 17, 78, 16, 105 = 1

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

Step 2: Then multiply all the prime factors GCF(17, 78, 16, 105) = 1.