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A prime number is a positive number which can be divided by only 1 and itself, leaving a positive quotient and none remainder. Here's some examples of prime numbers: 2, 3 ,5, 7, 11, 13, 17, 19, 23 and so on. All other numbers consists of other numbers and are thus a product of factors. If you got a number and want's to find out whether it's a prime or not, please type it in the box bellow. You can enter a number consisting of up to 15 digits. Back to the index site |