A prime factor is a natural number, other than 1, whose only factors are 1 and itself. The first few prime numbers are actually 2, 3, 5, 7, 11, and so on. Now we can also use what’s called prime ...

Prime numbers are all the rage these days. I can tell something’s up when random people start asking me about the randomness of primes—without even knowing that I’m a mathematician! In the past couple ...

Naturally, I couldn't resist. I started with my cell phone number, which is the product of three small primes and an 8-digit prime (for obvious reasons, I won't say what they are). What about my ...