Question

the smallest number having four different prime factors is
a) 42 b) 210 c) 96 d) 99
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Answer 1

Answer:

B)210

the smallest number having the four different prime factors would have to be the product of smallest four prime number so 210 is the answer ..

hope it helps you...

Answer 2

Answer:

210 is the smallest number having four different prime factors.

Step-by-step explanation:

Prime factors of 42 = 2x3x7

Prime factors of 210 = 2x3x5x7

Prime factors of 96 = 3x2x2x2x2x2

Prime factors of 99 = 3x3x11

Therefore, 210 is the only smallest number having four different prime factors.