Find the prime factorization of 20
Step 1:
Check if number is divisible by 2
Here 20 is divisible by 2 and gives number 10
Step 2:
Check if number 10 is divisible by 2 –> YES
Here 10 is divisible by and gives number 5
Step 3:
Number 5 is divisible by 5 and gives number 1
PRIME FACTORS
The number 20 = 2 * 2 * 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 20 are definitely the factors of 20
b. we can find other factors by choosing combinations of other prime factors.
Hence the factors of 21 are
1, 2, 4, 5, 10 , 20