Question

Write all the prime numbers in which 9 occurs in units place up to
100.

Answer 1

Answer:

If you want to learn prime number between 1–100 , You have to do only one thing ::

44 -22–322–321

1 - 10 = Four prime numbers

11–20 = Four prime numbers

21 -30 = Two prime numbers

31 - 40 = Two prime numbers

41–50 = Three prime numbers

51–60= Two prime numbers

61–70= Two prime numbers

71 - 80 = Three prime numbers

81–90= Two prime numbers

91–100= one prime numbers .

Please ignore my English mistakes .

I hope this will helps you ,

Thank u