Greatest Common Factor of 13, 68, 51, 7, 16

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

• Greatest Common Factor of 13, 68, 51, 7, 16 by common division method
• Greatest Common Factor of 13, 68, 51, 7, 16 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 68

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

1,2,4,17,34,68

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 7

List of positive integer factors of 7 that divides 7 without a remainder.

1,7

Factors of 16

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

1,2,4,8,16

Greatest Common Factor

We found the factors 13,68,51,7,16 . The biggest common factor number is the GCF number.
So the greatest common factor 13,68,51,7,16 is 1.

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

• GCF of 18, 52, 24, 5, 60
• GCF of 59, 57, 70, 9, 31
• GCF of 58, 26, 64, 9, 31
• GCF of 50, 10, 72, 4, 27
• GCF of 34, 69, 55, 2, 35

1. What is the GCF of 13, 68, 51, 7, 16?

Answer: GCF of 13, 68, 51, 7, 16 is 1.

2. How to Find the GCF of 13, 68, 51, 7, 16

Answer: Greatest Common Factor(GCF) of 13, 68, 51, 7, 16 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 68, 51, 7, 16) = 1.