Greatest Common Factor of 820, 161, 490

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

• Greatest Common Factor of 820, 161, 490 by common division method
• Greatest Common Factor of 820, 161, 490 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 820

List of positive integer factors of 820 that divides 820 without a remainder.

1,2,4,5,10,20,41,82,164,205,410,820

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 820,161,490 . The biggest common factor number is the GCF number.
So the greatest common factor 820,161,490 is 1.

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

• GCF of 283, 286, 460
• GCF of 835, 649, 774
• GCF of 511, 765, 964
• GCF of 960, 308, 304
• GCF of 449, 596, 393

1. What is the GCF of 820, 161, 490?

Answer: GCF of 820, 161, 490 is 1.

2. How to Find the GCF of 820, 161, 490

Answer: Greatest Common Factor(GCF) of 820, 161, 490 = 1

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

Step 2: Then multiply all the prime factors GCF(820, 161, 490) = 1.