Greatest Common Factor of 69, 13, 31, 620

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

• Greatest Common Factor of 69, 13, 31, 620 by common division method
• Greatest Common Factor of 69, 13, 31, 620 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 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 31

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

1,31

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 69,13,31,620 . The biggest common factor number is the GCF number.
So the greatest common factor 69,13,31,620 is 1.

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

• GCF of 79, 69, 37, 321
• GCF of 96, 18, 76, 844
• GCF of 31, 80, 51, 947
• GCF of 75, 35, 62, 712
• GCF of 80, 94, 64, 290

1. What is the GCF of 69, 13, 31, 620?

Answer: GCF of 69, 13, 31, 620 is 1.

2. How to Find the GCF of 69, 13, 31, 620

Answer: Greatest Common Factor(GCF) of 69, 13, 31, 620 = 1

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

Step 2: Then multiply all the prime factors GCF(69, 13, 31, 620) = 1.