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Semiprime number

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Revision as of 23:09, 14 February 2022 by imported>MrMeAndMrMe (MrMeAndMrMe moved page Semiprime to Semiprime number: not having number creates confusion)
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In number theory, a natural number is called semiprime if it can be written as the product of two prime numbers. The two numbers do not need to be different. A semiprime can also be the square of a prime number. Such numbers are very useful for cryptography.