Greatest Common Factor of 70, 13, 399

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

• Greatest Common Factor of 70, 13, 399 by common division method
• Greatest Common Factor of 70, 13, 399 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 13

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

1,13

Factors of 399

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

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

Greatest Common Factor

We found the factors 70,13,399 . The biggest common factor number is the GCF number.
So the greatest common factor 70,13,399 is 1.

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

• GCF of 22, 21, 288
• GCF of 47, 52, 270
• GCF of 30, 11, 274
• GCF of 49, 30, 389
• GCF of 35, 62, 400

1. What is the GCF of 70, 13, 399?

Answer: GCF of 70, 13, 399 is 1.

2. How to Find the GCF of 70, 13, 399

Answer: Greatest Common Factor(GCF) of 70, 13, 399 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 13, 399) = 1.