Greatest Common Factor of 31, 67, 86, 21

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

• Greatest Common Factor of 31, 67, 86, 21 by common division method
• Greatest Common Factor of 31, 67, 86, 21 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

Factors of 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 31,67,86,21 . The biggest common factor number is the GCF number.
So the greatest common factor 31,67,86,21 is 1.

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

• GCF of 93, 36, 15, 53
• GCF of 33, 81, 84, 54
• GCF of 97, 63, 27, 71
• GCF of 84, 51, 57, 36
• GCF of 99, 92, 64, 76

1. What is the GCF of 31, 67, 86, 21?

Answer: GCF of 31, 67, 86, 21 is 1.

2. How to Find the GCF of 31, 67, 86, 21

Answer: Greatest Common Factor(GCF) of 31, 67, 86, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 67, 86, 21) = 1.