Q: What prime number do you mulitply together to equal 150?

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You don't always. 2 + 5 = 7, for example. But all prime numbers other than 2 are odd and two odd numbers always equal an even number when added together.

the two prime numbers will be factors of that number, which would make that number a composite number

2 + 3 = 5 2 + 5 = 7 2+ 11 = 13 2 + 41 = 43 The numbers only work with 2 because adding odd numbers together equals an even number. 2 is the only even prime number and thus adding any other prime numbers together will not equal a prime.

They are prime factors.

No two prime numbers satisfy that request.

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41 is a prime number so there is no answer.

Definition: Prime Number -- the only factors that can go into the number are 1 and itself. Their are simple tricks: numbers that end in 2, 4, 6, 8, 0, and 5 are not prime.My method just makes it easy to know which ones aren't prime.

2 and 11.

2 and 2

When you multiply two prime numbers together they become factors of the number that they equal. Since the number will have factors other than 1 and itself, the number cannot be prime.

They are: 1*43 = 43 which is a prime number

It is when the prime factors of whole number are multiplied together that they equal that number. For example the prime factors of 21 are 3 and 7 so 3*7 = 21

73

Assuming you mean using only positive whole numbers: 1 x 61 (only as 61 is a prime number)

Not if you multiply them.

It is prime because only 1 and 71 multiply together to get 71. No other whole numbers multiply to equal 71.

two prime numbers when added together will equal 63: 2 + 61