Factors of 18 – Using Prime Factorization

Find the prime factorization of 18

Step 1:
Check if number is divisible by 2
Here 18 is divisible by 2 and gives number 9

Step 2:
Check if number 9 is divisible by 2 –> NO
Check if number 9 is divisible by 3 –> YES
Yes, it is divisible by 3 and gives number 3

Step 3:
Check if number 3 is divisible by 3 –> YES
Yes, it is divisible by 3 and gives number 1

So 24 can be written as the product of prime factors
Hence 24 ==> 2 * 3 * 3

what are factors of 18

PRIME FACTORS
The number 18 = 2 * 3 * 3 are the product of prime factors.

INDIVIDUAL FACTORS
If you want to know individual factors you can write can do following manipulations
a. first 1 and 18 are definitely the factors of 18
b. we can find other factors by choosing combinations of other prime factors.

factors of 18

Hence the factors of 18 are
1, 2, 3, 6, 9, 18

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