yes
for a number to be divisble by 3
you have to add the numbers together and see if you can divide it by 3 evenly
1+5+3= 9
9 can be divided by 3 evenly so that makes the number, 153 divisble by 3
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The sum of the digits of a multiple of 3 sum to a number that is itself divisible by 3. Example : 153 : 1 + 5 + 3 = 9 which is divisible by 3 so 153 is a multiple of 3. But : 206 : 2 + 0 + 6 = 8 shows that 206 is NOT a multiple of 3.
Yes, 153 is divisible by 9 because all the digits add up to 9 (i.e 1+5+3 = 9) As a rule of thumb, add the digits of a number together. If the sum is a multiple of 9, it is divisible by nine.
D
Yes, 51 times.
Nope ! For ANY number to be exactly divisible by ten it HAS to end in zero !