The number 17,31 and 73 are prime numbers reversing the order of the digits to make 71,13 and 37 are also result in prime number

Question

levacccp [35]

3 years ago

6

The number 17,31 and 73 are prime numbers reversing the order of the digits to make 71,13 and 37 are also result in prime number

s does reversing the order of the digits of a two digit prime number always result in a prime number explain

Mathematics

2 answers:

kakasveta [241] · Answer 1 · 2022-12-11T14:04:21+03:00

kakasveta [241]3 years ago

7 0

No it does not because a prime number can start with an even number so if reversed it would result in a number that is able to be multiplied by 3

navik [9.2K] · Answer 2 · 2022-12-11T11:46:16+03:00

navik [9.2K]3 years ago

3 0

Answer:

No

Step-by-step explanation:

take the example of 19. it is a prime number but when flipped gives 91, divisible by 7 and 13, therefore not prime. The examples in the question were just carefully selected to be true.