Question

Which are the numbers between 1 and 100 having exactly three factors? ​

Answer 1

Step-by-step explanation:

we know that numbers between 1 and 100 which have exactly three factors 4,9,25,49. Factors of 4 are 1,2 and 4. Factors of 9 are 1,3 and 9. Factors of 25 are 1,5 and 25. Factors of 49 are 1,7 and 49