D.omini.ca

The blog of a woman in paradise

Prime of Life

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"Mathematicians have tried in vain to this day to discover some order in the sequence of prime numbers, and we have reason to believe that it is a mystery into which the human mind will never penetrate." Leonhard Euler


I am fascinated by numbers, particularly prime numbers. When my age is a prime number, I always joke about being in my “prime”. Today is Kimmie’s birthday and she is now 29 years old, the tenth time she has been in her “prime”. A few days ago, I turned 61. Dylan and my sister Denise each reached a prime age earlier in August. Arun hit another prime in February when he turned 53. Realizing we all had turned prime ages in 2017 (also a prime number), I wondered if this had ever happened before.


To find out, I made a table listing Dylan’s and Kimmie’s prime ages and added in the three older relatives. The highlighted numbers are the prime numbers.


PRIME AGES

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As you can see, this is the first year that we have each reached a prime age! I will leave it to Dylan to write a program to find out the next time this will happen.