Register
Odd couple. If n is an odd number greater than or equal to 3, can n+1 ever be prime? What if n equals 1?
40.6k views
7 votes
Odd couple. If n is an odd number greater than or equal to 3, can n+1 ever be prime? What if n equals 1?

User Vaillancourt
by
5.2k points

1 Answer

8 votes
No, because when adding 1 to any odd number it will become even, and all even numbers besides 2 are not prime. This means that if n was 1 the resulting number would be prime, since 2 is prime.
User Mo
by
5.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.8m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
Link Copied!