The number whose prime factors are 2,3,7
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Step-by-step explanation:
The smallest number (positive integer) which has prime factors 2, 3 and 7 is 2*3*7 = 42. A positive integer N has prime factors 2, 3 and 7 if and only if it is a positive integral multiple of 42; i.e. if and only if there exists a positive integer k such that N = 42*k.
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2
Answer:
2*3*7
42
hence 42 is the number whose prime factorisation is 2,3,7
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