B BoyceMcCor New member Oct 17, 2025 #1 I’m a bit confused—some sources say 1 is prime, others say it’s not. Can someone clarify with a reason why or why not?
I’m a bit confused—some sources say 1 is prime, others say it’s not. Can someone clarify with a reason why or why not?
Lucas Member Oct 24, 2025 #2 No, 1 is not considered a prime number because a prime must have exactly two distinct factors: 1 and itself.
No, 1 is not considered a prime number because a prime must have exactly two distinct factors: 1 and itself.
L Lucky Member Oct 28, 2025 #3 No, 1 is not a prime number. Prime numbers are defined as having exactly two distinct positive divisors — 1 and itself. Since the number 1 has only one divisor (itself), it doesn’t meet the definition of a prime number.
No, 1 is not a prime number. Prime numbers are defined as having exactly two distinct positive divisors — 1 and itself. Since the number 1 has only one divisor (itself), it doesn’t meet the definition of a prime number.
