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23 + 2

19 + 3 + 3

17 + 5 + 3

17 and 4 twos

17, 2 threes and 2 twos

13 + 7 + 5

13 and 6 twos

13 and 4 threes

11 and 2 sevens

11 and 7 twos

and a bunch more up to

10 twos and 5

11 twos and 3

Q: How many different ways are there to add prime numbers to make a total of 25?

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Three distinct prime factors, eight total.

It would be 5 ways

Eight different ways.Eight different ways.Eight different ways.Eight different ways.

Not a lot. They're both prime numbers. A factor that is prime is used to make other numbers.

Multiply 9 by two different numbers (9 x a, and 9 x b). Make the two numbers, a and b, relatively prime. For example, one of them can be 1; or just choose two different prime numbers.

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No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.No two prime numbers can make 30.

Three distinct prime factors, eight total.

2 and 17

prime numbers

Numbers cannot "make" another number prime. If you are looking for the prime factorization of 56, it is 23 * 7.

It would be 5 ways

i think prime numbers

The question does not make sense. There are not 500 prime numbers but infinitely many!

Eight different ways.Eight different ways.Eight different ways.Eight different ways.

Bigger numbers make bigger factor trees, and of course there are prime numbers which cant be factored at all

prime numbers

The concepts of "prime numbers" and "composite numbers" make sense for integers (whole numbers), not for arbitrary real numbers.