What two number when multiplied equals 691 (six hundred ninety one)?
From the aboves multiple we can see that 691 is a multiple of 2 numbers.
The numbers are 1, 691
These numbers are called the factors of 691.
691= 691
A prime number is a number that is divisible only by 1 and itself (without a remainder).
691 is a prime number because it has only two factors 1 and itself.
Lets learn factorization of other numbers.