Greatest Common Factor of 31, 84, 51, 390

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

• Greatest Common Factor of 31, 84, 51, 390 by common division method
• Greatest Common Factor of 31, 84, 51, 390 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 51

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

1,3,17,51

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 31,84,51,390 . The biggest common factor number is the GCF number.
So the greatest common factor 31,84,51,390 is 1.

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

• GCF of 95, 23, 17, 150
• GCF of 38, 84, 57, 231
• GCF of 36, 51, 58, 745
• GCF of 57, 73, 18, 553
• GCF of 95, 81, 96, 994

1. What is the GCF of 31, 84, 51, 390?

Answer: GCF of 31, 84, 51, 390 is 1.

2. How to Find the GCF of 31, 84, 51, 390

Answer: Greatest Common Factor(GCF) of 31, 84, 51, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 84, 51, 390) = 1.