What two number when multiplied equals 19840 (nineteen thousand eight hundred forty)?
From the aboves multiple we can see that 19840 is a multiple of 32 numbers.
The numbers are 1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840
These numbers are called the factors of 19840.
2 x 5 x 31= 19840
A prime number is a number that is divisible only by 1 and itself (without a remainder).
19840 is not a prime number because it is divisible by other number than 1 and itself.
Lets learn factorization of other numbers.