No, 604 can't be divisible by 7.
All multiples of 604, which is an infinite number.
2 yes, the rest no.
2 - yes 3 - no 5 - no 6 - no 9 - no 10 - no
It is difficult to see why you would do a multiplication using subtraction but one possible answer is: 8 * 604 = (10-1-1)*604 = 10*604 - 1*604 - 1*604 = 6040 - 604 - 604 = 4832
Excluding the two numbers themselves, they are 592, 594, 596, 598, 600, 602, 604, 606 and 608.
It is: 604/2 = 302
604
604
The positive integer factors of 604 are: 1, 2, 4, 151, 302, 604
778
55 x 604 = 33,220