At a guess, you're talking about a lottery.
In which case, it depends on the lottery... but probably not.
A few examples from California:
Daily 3 and Daily 4 lotteries don't pay anything for two numbers.
The "Fantasy Five" lottery doesn't give cash for matching two numbers, but it does give a free replay.
SuperLotto Plus' most recent (at the time of this writing) draw paid $1 for matching the "Mega" number, $2 for matching the "Mega" number and any other number. It doesn't pay anything for two matches if one of them isn't the "Mega".
Mega Millions works the same, except the most recent draw payouts were $2 and $3 respectively.
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The sum could be anything, but it would be a positive number if the two addends are positive.
two is a prime number because you can't put anything into two. think about it. Because the prime numbers can be divided only by 1 or the number itself. They cannot be factorised.
The word "digit" just means one number, so any two numbers in a row would be a two-digit number. Examples would be 10, 11, 99 and 34.
composite because it can be broken down because two can go into it and prime number are it can t be divided by anything
It could be a composite number. The exception is if your set of two or more numbers is anything like {-1,-1, 1,1,1,1,p} where p is a prime. The product of these numbers is p, which is a prime.