The numbers 7 and 13 are:
Alternate prime numbers
Consecutive prime numbers
Even numbers
None of the above.
The prime numbers are 2,3,5,7,11, 13,..
The numbers 7 and 13 are alternate prime numbers.
Explain why 7*11*13+13 and 7×6×5×4×3+5 are composite numbers.
Question 6 Explain why 7×11×13+13 and 7×6×5×4×3×2×1+5 are composite numbers.