Hello Vidisha, Please find the solution below. 2x3x5x7x11x13=30030 so that means all the number of 4 digit form will have less than 6 distinct prime n...

8! = 27* 32 *5 *7. Total number of factors = 96. From this, first remove factors which are multiple of 3 (of the form 3k) which are 64 in number. Yo...

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