The sum of 2 postive prime numbers is a prime number and 3 times that sum is an odd number. Which of the following prime numbers must be one of the original prime numbers?? A)2 B)3 C)5 D)7 E)11 I...
The sum of 2 postive prime numbers is a prime number and 3 times that sum is an odd number. Which of the following prime numbers must be one of the original prime numbers?? A)2 B)3 C)5 D)7 E)11 I...
It is given that p is a prime number and p > 5. a) Show that p= 6n + 1 or p = 6n + 5 for some positive integer n. b) Hence, show that p2 + 2 is divisible by 3. How...
hint- begin by taking its square root
-Which of the following is not a prime number? A. 11 B. 19 C. 5 D. 24
For k≥2 let C(k) donate the number of different k-cycles of σ with fundamental period k. Show that if k is a prime number, then C(k)= (2k-2)/k
138,215,030 is a product of 3 prime numbers. Which ones? How am I supposed to calculate this?
It's about Prime numbers
question 2: Try to find a positive integer n such that n^2-n+41 is not a prime.
I have no idea how to start. sorry
nothing lease