The Odds of Recurrence of Nonconformities

B

biboy2012

#1
A nonconformity A happens every 13 years.

Another nonconformity happens every 17 years.

How to calculate when they happen together again?
 
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#2
Re: Recurence of nonconformities

Since both are prime numbers, it would simply be the product of the two numbers: 221 years after the last time they occurred together.

It would be a bit more invloved if they were not both prime.
 
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B

biboy2012

#5
Re: Recurence of nonconformities

Since both are prime numbers, it would simply be the product of the two numbers: 221 years after the last time they occurred together.

It would be a bit more invloved if they were not both prime.
That was very quick!
 
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