find prime number between 20 and 30
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Answered by
3
yea sure
so...
there r 2 of them
they r 23 and 29
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Answered by
1
Answer:
23 and 29 are the prime numbers between 20 and 30.
Step-by-step explanation:
The numbers between 20 and 30 are:
21,22,23,24,25,26,27,28,29
Even numbers, other than 2 are not prime because by definition of being even they are divisible by 2
This then leaves:
21,23,25,27,29
21=3×7- not prime
25=5×5 is not prime number.
27=3×9 is not prime number.
This leaves:
23 , 29 For both of these numbers the only numbers they are evenly divisible by is 1 and themselves.
Therefore, 23 and 29 are the prime numbers between 20 and 30.
Hope it helped you.
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