Find Next numbers.
7, 97, 397, 9397, ?????, ??????, ???????

Explain how??Relation??

• 7, 97, 397, 9397, 39397,139397, 9139397
  
  This is the sequence of prime numbers obtained by putting an additional digit on LHS ( as most significant digit).
• 12 years agoHelpfull: Yes(3) No(2)
• 7, 97, 397, 9397, 39397,139397, 9139397
• 12 years agoHelpfull: Yes(3) No(0)
• 0 + 7 = 7
  7+90 = 97
  97+300 = 397
  397 + 9000 = 9397
  9397 + 30000 = 39397
  39397 + 900000 = 939397
  939397 + 3000000 = 3939397
• 12 years agoHelpfull: Yes(1) No(4)
• 7, 97, 397, 9397, 39397,139397
  
  consider prime numbers.
• 12 years agoHelpfull: Yes(1) No(1)
• 7,97,397,9397,39397,939397,3939397......
  
  every 9 is preceding 7.
  every 3 is preceding 9.
  every 9 is preceding 3.
  
• 12 years agoHelpfull: Yes(0) No(4)