# Towards Math

73939133 is indeed an impressive eight-digit prime number. What makes it even more special is its unique property – every time you remove one digit from the right of the number, the resulting number is also a prime number.

• 73939133 is a prime number.
• 7393913 is a prime number             (Removing the digit 3 from the right)
• 739391 is a prime number                (Removing the digit 3 from the right)
• 73939 is a prime number                  (Removing the digit 3 from the right)
• 7393 is a prime number                    (Removing the digit 3 from the right)
• 739 is a prime number                       (Removing the digit 3 from the right)
• 73 is a prime number                         (Removing the digit 3 from the right)
• 7 is a prime number                           (Removing the digit 3 from the right)

It’s truly amazing and fascinating!

1. Sandeep kumar says:

Very interesting sir.

1. 37 itself is interesting, and so are 37037, 37037037, etc. for similar reasons.

1. These are in pipeline. Thank you for your suggestion.

2. souravkumarbejgmailcom says:

Wow…like this we can create more square numbers!!

1. Good to hear this. Thank you so much.