Greatest Common Factor of 40, 70, 13, 286

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

• Greatest Common Factor of 40, 70, 13, 286 by common division method
• Greatest Common Factor of 40, 70, 13, 286 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 286

List of positive integer factors of 286 that divides 286 without a remainder.

1,2,11,13,22,26,143,286

Greatest Common Factor

We found the factors 40,70,13,286 . The biggest common factor number is the GCF number.
So the greatest common factor 40,70,13,286 is 1.

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

• GCF of 10, 22, 35, 822
• GCF of 54, 92, 67, 105
• GCF of 14, 57, 30, 882
• GCF of 23, 53, 12, 723
• GCF of 78, 60, 45, 677

1. What is the GCF of 40, 70, 13, 286?

Answer: GCF of 40, 70, 13, 286 is 1.

2. How to Find the GCF of 40, 70, 13, 286

Answer: Greatest Common Factor(GCF) of 40, 70, 13, 286 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 70, 13, 286) = 1.