jannielove23 jannielove23

01-03-2017
Mathematics

contestada

the sum of my digit and tens digit is 10. my tens digit is greater than my ones digit i am a prime number. what number am i?

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pdevereux pdevereux

07-03-2017

73. The tens must be greater than the ones, so it has to be 64, 73, 82, or 91. It cannot be 82 or 64 because 2 is the only even prime number. 91 are 7 and 13, leaving 73 as the number.

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