[" The number of prime fectors of "72" is "[7]],[A*12" B "2.6.3" ."6]

The number of prime factors of 72 is

The number of prime factors in the expression 6^4 xx 8^6 xx 10^8 xx 12^(10) is:

The number of prime factors in ((1)/(6))^(12)xx(8)^(25)xx((3)/(4))^(15) is

The median of the numbers 4,4,5,6,7,7,12,3,12 is

if 3 is the least prime factor of number a and 7 is the least prime factor of number b,then the least prime factor of a+b, is

If 3 is the least prime factor of number a and 7 is the least prime factor of number b, then the least prime factor of a+b , is

The projections of a vector on the three coordinate axis are 6, 3, 2 respectively. The direction cosines of the vector are (A) 6,-3,2 (B) 6/5,(-3)/5,2/5 (C) 6/7,(-3)/7,2/7 (D) (-6)/7,(-3)/7,2/7