What two number when multiplied equals 1521 (one thousand five hundred twenty one)?
From the aboves multiple we can see that 1521 is a multiple of 9 numbers.
The numbers are 1, 3, 9, 13, 39, 117, 169, 507, 1521
These numbers are called the factors of 1521.
3 x 13= 1521
A prime number is a number that is divisible only by 1 and itself (without a remainder).
1521 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.