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Best Answer

Just 7 and 5.

* * * * *

7 is not a factor of 40. In fact, 40 has 4 prime factors, not 3.

40 = 23*5

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Wiki User

11y ago
This answer is:
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Ethan Downs

Lvl 1
3y ago
that makes 30 we want 40

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Q: What three prime numbers make 40?
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