Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2024-05-26 06:24:31
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
More Prime Numbers
Which prime numbers under 100 are 8 less than a perfect square?
Offline
#2 2024-05-26 07:07:11
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,524
Re: More Prime Numbers
You know that list I told you to keep. Well it's easy to just check. Or start with the squares and add 8.
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
Offline
#3 2024-05-26 18:31:38
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
Re: More Prime Numbers
Bob wrote:
You know that list I told you to keep. Well it's easy to just check. Or start with the squares and add 8.
Bob
I guess there's no getting away from making a list.
Offline
Pages: 1