3,3,3,7
2x2x2x19
23 is prime, therefore 1 and 23.
3 x 83
The prime factorization of 22 is: 2 x 11.
To express a composite number as the product of its prime factors.
3 x 37 = 111
2 x 7 = 14
3 x 569 = 1701
It is: 2*2*23 = 92
65 = 13 x 5
To find the prime factors of a number, it is best to divide them by their obvious divisors. In this case, 28 is prime so can divide by 2. This gives us 14. This is known to be 7x2 from times tables, and so we have finished factorizing 28. The prime factors are 2, 2 and 7. This can be expressed in powers as 7x22.