Greatest Common Factor of 870, 993, 20

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

• Greatest Common Factor of 870, 993, 20 by common division method
• Greatest Common Factor of 870, 993, 20 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 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Factors of 993

List of positive integer factors of 993 that divides 993 without a remainder.

1,3,331,993

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 870,993,20 . The biggest common factor number is the GCF number.
So the greatest common factor 870,993,20 is 1.

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

• GCF of 387, 245, 40
• GCF of 229, 569, 87
• GCF of 748, 322, 85
• GCF of 457, 701, 38
• GCF of 592, 659, 49

1. What is the GCF of 870, 993, 20?

Answer: GCF of 870, 993, 20 is 1.

2. How to Find the GCF of 870, 993, 20

Answer: Greatest Common Factor(GCF) of 870, 993, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(870, 993, 20) = 1.