Greatest Common Factor of 311, 420, 388, 742

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

• Greatest Common Factor of 311, 420, 388, 742 by common division method
• Greatest Common Factor of 311, 420, 388, 742 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 311

List of positive integer factors of 311 that divides 311 without a remainder.

1,311

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 388

List of positive integer factors of 388 that divides 388 without a remainder.

1,2,4,97,194,388

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Greatest Common Factor

We found the factors 311,420,388,742 . The biggest common factor number is the GCF number.
So the greatest common factor 311,420,388,742 is 1.

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

• GCF of 117, 369, 543, 636
• GCF of 317, 319, 605, 524
• GCF of 995, 191, 682, 722
• GCF of 117, 362, 732, 374
• GCF of 636, 472, 209, 194

1. What is the GCF of 311, 420, 388, 742?

Answer: GCF of 311, 420, 388, 742 is 1.

2. How to Find the GCF of 311, 420, 388, 742

Answer: Greatest Common Factor(GCF) of 311, 420, 388, 742 = 1

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

Step 2: Then multiply all the prime factors GCF(311, 420, 388, 742) = 1.