Question

How many 2 digit primes have both their digits non-prime

Answer 1

Answer:

A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. By Euclid's theorem, there are an infinite number of prime numbers. Subsets of the prime numbers may be generated with various formulas for primes. The first 1000 primes are listed below, followed by lists of notable types of prime numbers in alphabetical order, giving their respective first terms. 1 is neither prime nor composite.

Answer 2

Given :   two-digit primes having  both their digits non-prime

To find : all the numbers

Solution:

Two Digit Prime having both their Digit non prime

Two Digit Prime having both their Digit non primenon prime Digits

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit11 ,  19

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit11 ,  1941  

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit11 ,  1941  61  

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit11 ,  1941  61  89

Two Digit Prime having both their Digit non primenon prime Digits1  ,  4  , 6  , 8  ,  9  4 , 6 , 8 can not be 2nd Digit11 ,  1941  61  8911 , 19 , 41 , 61  & 89  are Two Digit Prime having both their Digit non prime