numbers 70 & 105 are both multiples of a prime number n, how many possible values are there for n?

numbers 70 and 105 are both multiples of a prime number n, how many possible values are there for n?
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1 Answer

want prime fakter av 70 & 105

70 fakters=2, 5, 7

105 fakters=3, 5, 7

so 5 & 7 R prime fakters av both
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