Greatest Common Factor of 399, 140, 31

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

• Greatest Common Factor of 399, 140, 31 by common division method
• Greatest Common Factor of 399, 140, 31 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 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Factors of 31

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

1,31

Greatest Common Factor

We found the factors 399,140,31 . The biggest common factor number is the GCF number.
So the greatest common factor 399,140,31 is 1.

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

• GCF of 252, 982, 14
• GCF of 398, 322, 72
• GCF of 515, 714, 72
• GCF of 945, 632, 56
• GCF of 227, 606, 93

1. What is the GCF of 399, 140, 31?

Answer: GCF of 399, 140, 31 is 1.

2. How to Find the GCF of 399, 140, 31

Answer: Greatest Common Factor(GCF) of 399, 140, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(399, 140, 31) = 1.