Question

Do the following to find the prime number
from 1 to 100
Cross out 1

Answer 1

Answer:

Ans. 25 no.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

1 is nor prime no. nor composite no.

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