Greatest Common Factor of 858, 989, 19

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

• Greatest Common Factor of 858, 989, 19 by common division method
• Greatest Common Factor of 858, 989, 19 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 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Greatest Common Factor

We found the factors 858,989,19 . The biggest common factor number is the GCF number.
So the greatest common factor 858,989,19 is 1.

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

• GCF of 471, 203, 58
• GCF of 627, 551, 32
• GCF of 272, 514, 16
• GCF of 541, 699, 47
• GCF of 783, 837, 90

1. What is the GCF of 858, 989, 19?

Answer: GCF of 858, 989, 19 is 1.

2. How to Find the GCF of 858, 989, 19

Answer: Greatest Common Factor(GCF) of 858, 989, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(858, 989, 19) = 1.