maliharose08 maliharose08

23-02-2022
Mathematics

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two consecutive odd numbers between 60 and 80 which are both prime?

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stuf2013010299 stuf2013010299

23-02-2022

Answer:

Hello I'll help you :))!

So there are 21 numbers from 60 to 80 both terms inclusive.

We ignore all even numbers in this range as even numbers can not be prime.

The odd numbers are 61,63,65,67,69,71.73,75,77,79.

So remaining numbers are prime. They are 61,67,71,73,79.

So there are 5 prime numbers in this range.

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