What two number when multiplied equals 19780 (nineteen thousand seven hundred eighty)?
From the aboves multiple we can see that 19780 is a multiple of 24 numbers.
The numbers are 1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 19780
These numbers are called the factors of 19780.
2 x 5 x 23 x 43= 19780
A prime number is a number that is divisible only by 1 and itself (without a remainder).
19780 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.