Find the prime factorization of 15
Step 1:
Check if number is divisible by 3
Here 15 is divisible by 3 and gives number 5
Step 2:
Check if number 5 is divisible by 3 –> NO
Now check if number 5 is divisible by 5 –> YES
Yes, it is divisible by 5 and gives number 1
So 15 can be written as the product of prime factors
Hence 15 ==> 3 * 5
PRIME FACTORS
The number 15 = 3 * 5 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 15 are definitely the factors of 15
b. we can find other factors by choosing combinations of other prime factors.
Hence the factors of 15 are
1, 3, 5 and 15