Greatest Common Factor of 490, 217, 172

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

• Greatest Common Factor of 490, 217, 172 by common division method
• Greatest Common Factor of 490, 217, 172 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 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

Factors of 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

Factors of 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Greatest Common Factor

We found the factors 490,217,172 . The biggest common factor number is the GCF number.
So the greatest common factor 490,217,172 is 1.

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

• GCF of 477, 309, 844
• GCF of 389, 634, 286
• GCF of 632, 160, 528
• GCF of 834, 789, 816
• GCF of 303, 364, 676

1. What is the GCF of 490, 217, 172?

Answer: GCF of 490, 217, 172 is 1.

2. How to Find the GCF of 490, 217, 172

Answer: Greatest Common Factor(GCF) of 490, 217, 172 = 1

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

Step 2: Then multiply all the prime factors GCF(490, 217, 172) = 1.