Starting from 2 upto how many numbers we need to check whether 907 is prime or not?

• There are 125 prime numbers between 2 and 907. How to calculate this I can't tell you but below is a list of all prime numbers between 2 and 907.
• 12 years agoHelpfull: Yes(8) No(14)
• THERE IS 155 PRIME NOS..
  
• 11 years agoHelpfull: Yes(5) No(2)
• from 2 to sqrt(num)i.e square root of 907
• 11 years agoHelpfull: Yes(5) No(1)
• (907)^1/2>30
  therefore required no is form 2 to 30
• 11 years agoHelpfull: Yes(2) No(1)
• Ans = 1
  only one number which is 907.
  we are checking whether 907 is prime or not?
  we are not checking how many numbers between 2 and 907 are prime.
• 6 years agoHelpfull: Yes(1) No(1)
• 155 is correct
• 7 years agoHelpfull: Yes(0) No(0)