What two number when multiplied equals 1721 (one thousand seven hundred twenty one)?
From the aboves multiple we can see that 1721 is a multiple of 2 numbers.
The numbers are 1, 1721
These numbers are called the factors of 1721.
1721= 1721
A prime number is a number that is divisible only by 1 and itself (without a remainder).
1721 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.