What two number when multiplied equals 641 (six hundred forty one)?
From the aboves multiple we can see that 641 is a multiple of 2 numbers.
The numbers are 1, 641
These numbers are called the factors of 641.
641= 641
A prime number is a number that is divisible only by 1 and itself (without a remainder).
641 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.