Greatest Common Factor of 18, 30, 62, 490

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

• Greatest Common Factor of 18, 30, 62, 490 by common division method
• Greatest Common Factor of 18, 30, 62, 490 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

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 18,30,62,490 . The biggest common factor number is the GCF number.
So the greatest common factor 18,30,62,490 is 2.

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

• GCF of 66, 47, 62, 313
• GCF of 54, 40, 96, 774
• GCF of 28, 82, 84, 698
• GCF of 32, 68, 47, 313
• GCF of 68, 40, 15, 267

1. What is the GCF of 18, 30, 62, 490?

Answer: GCF of 18, 30, 62, 490 is 2.

2. How to Find the GCF of 18, 30, 62, 490

Answer: Greatest Common Factor(GCF) of 18, 30, 62, 490 = 2

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

Step 2: Then multiply all the prime factors GCF(18, 30, 62, 490) = 2.