The sum of digits: 4 + 3 + 5 = 12 12 can be divided equally by 3, so 435 can be divided equally as well.
5 & 3 will divide into 975 exactly.
64800
Try 420
It is to figure out how many numbers are in another number. Ex. 1. 15/5=3 This means 15 can be divided by 5 equally. Ex. 2. 423/7=60.42857143 This means 423 can not be divided be 7 equally.
4345
385 can be divided equally by these numbers: 1, 5, 7, 11, 35, 55, 77, 385.
there are several but i know 3,240 is one.
1.1
There will be an infinite amount of numbers that can be divided by 5 and 9. The lowest one (Lowest Common Multiple) is 45.
There are 15 rectangles.
5