yep e.g 18 and 17,,, 24 and 23...... :(
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No, not every 2-digit Prime number is next to a multiple of 6. In fact, the only 2-digit prime number that is next to a multiple of 6 is 11. This is because 11 is the only prime number that is 1 more or 1 less than a multiple of 6 (12 or 10, respectively). Other 2-digit prime numbers such as 13, 17, 19, 23, etc., are not next to a multiple of 6.
Well, honey, let me break it down for you. The only 2-digit prime number next to a multiple of 6 is 11, which is next to 12, a multiple of 6. So, technically, not every 2-digit prime number is next to a multiple of 6. But hey, close enough, right?
Well, isn't that a happy little question! Let's take a moment to think about it. If we look at the prime numbers between 10 and 99, we can see that some are indeed next to a multiple of 6, like 11 next to 12 and 17 next to 18. However, there are also prime numbers like 19, 23, and 29 that are not next to a multiple of 6. It's all about finding the beauty in the patterns and exceptions in mathematics, just like in a painting.
Because if they were even they would be a multiple of 2 and thus not prime.
Every 9-digit combination of those numbers is a multiple of 3. None of them will be prime.
Not all (5 is prime) but every multiple of 5 greater than 5 is composite because they have more than two factors. Every multiple of any integer greater than one is composite.
No, not every two-digit multiple of six is next to a prime number. A multiple of six will always be an even number, divisible by both 2 and 3. Prime numbers, on the other hand, are only divisible by 1 and themselves. Therefore, there will be even numbers that are multiples of six that are not next to prime numbers.
Yes. A prime number is a multiple of 1.