515/21 = 24.5238095238
64.375
9.1964
0.0427
64.375
73.5714
0.0175
By the rules of divisibility, you know that 515 is divisible by 5. 515 divided by 5 is 103. Since both 5 and 103 are prime and can't be divided further, stop there. The prime factorization of 515 is 5 x 103.
8.0469
Because it has more than two factors which are: 1, 5, 103 and 515
1
K divided by 21 divided by N is equivalent to divided by?
0.381