What two number when multiplied equals 1511 (one thousand five hundred eleven)?
From the aboves multiple we can see that 1511 is a multiple of 2 numbers.
The numbers are 1, 1511
These numbers are called the factors of 1511.
1511= 1511
A prime number is a number that is divisible only by 1 and itself (without a remainder).
1511 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.