Greatest Common Factor of 13, 89, 70, 12

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

• Greatest Common Factor of 13, 89, 70, 12 by common division method
• Greatest Common Factor of 13, 89, 70, 12 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 89

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

1,89

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Greatest Common Factor

We found the factors 13,89,70,12 . The biggest common factor number is the GCF number.
So the greatest common factor 13,89,70,12 is 1.

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

• GCF of 22, 77, 70, 86
• GCF of 59, 34, 25, 14
• GCF of 68, 65, 20, 83
• GCF of 86, 50, 62, 73
• GCF of 78, 98, 93, 91

1. What is the GCF of 13, 89, 70, 12?

Answer: GCF of 13, 89, 70, 12 is 1.

2. How to Find the GCF of 13, 89, 70, 12

Answer: Greatest Common Factor(GCF) of 13, 89, 70, 12 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 89, 70, 12) = 1.