41
a 3 digit number that is divisible by on is a three digit number that is a multiple of one.
If the number is even, it is a multiple of 2 If the sum of the digits make a number divisible by 3, the number is a multiple of 3 If the number ends in 5 or 0, the number is a multiple of 5 If the number is divisible by 2 and 3, the number is a multiple of 6 If the sum of the digits make a number divisible by 9, the number is a multiple of 9
It is a 4 digit multiple of 6.
There is no number that is "divisible by 4" and "not divisible by 4" at the same time - a number cannot be both a multiple of 4 and not a multiple of 4.
The greatest 4-digit number that is divisible by 16 is 9984
99968
If the last digit doubled subtracted from the rest is a multiple of 7, the whole number is divisible by 7.
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The number is 24.
The greatest 4 digit integer divisible by 3 (and therefore a multiple of 3) is 9999.
Add the last digit (units digit) to twice the previous digit (tens digit). If this sum is divisible by 4, so is the original number.
If the last digit doubled subtracted from the rest is a multiple of 7, the whole number is divisible by 7.