What two number when multiplied equals 19945 (nineteen thousand nine hundred forty five)?
From the aboves multiple we can see that 19945 is a multiple of 4 numbers.
The numbers are 1, 5, 3989, 19945
These numbers are called the factors of 19945.
5 x 3989= 19945
A prime number is a number that is divisible only by 1 and itself (without a remainder).
19945 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.