Consider the numbers 2, 23, 234, 2345, 23456, 234567. We observe that among these 6 numbers, only 234 and 234567 are divisible by 3.
What 3 digit numbers are divisible by 5 and 9?
Being divisible by both 5 and 9 means a multiple of 45. Least 3 digit number that is an integral multiple of 45 would be 135 ( = 3 x ( 3x3x5) ) .
What is a 5 digit number divisible by 3?
The smallest 5-digit number divisible by 3 is 10002.
What is the greatest 3 digit number divisible by 3 and 9?
999
Now we will find the largest 3-digit number that is a multiple of 9. The largest 3 digit number is 999, we can see that 999 is divisible by 9 because it satisfies the divisibility rule for 9. The sum of digits of 999 is 27 and 27 is divisible by 9.
Are all numbers which are divisible by 3 divisible by 9?
Since 9 is divisible by 3, every number divisible by 9 will be also be divisible by 3. This happens because in the divisibilty test formula of 9, the sum of the digits should be divisible by 9.
Are there numbers that are divisible by 5 and 9?
Numbers are divisible by 6 if they are divisible by 2 and 3. Numbers are divisible by 9 if the sum of their digits is equal to 9 or a multiple of 9. Numbers are divisible by 10 if the last digit of the number is 0. Is 4320 divisible by 2 3 5 9 or 10?
What makes a number not divisible by 3?
58302 is divisible by 3 because the sum of its digits (5 + 8 + 3 + 0 + 2) is divisible by 3. 69145 is not divisible by 3 because the sum of its digits (6 + 9 + 1 + 4 + 5) is not divisible by 3.
When is a number divisible by two digits?
Numbers are divisible by 2 if they end in 2, 4, 6, 8 or 0. Numbers are divisible by 3 if the sum of their digits is divisible by 3. Numbers are divisible by 4 if the last two digits of the number are divisible by 4. Numbers are divisible by 5 if the last digit of the number is either 5 or 0.
Is the number 7425 divisible by 3 or 9?
Every number divisible by 9 is divisible by 3. For example, 7425 is divisible by 9, hence it is divisible by 3. 58302 is divisible by 3 because the sum of its digits (5 + 8 + 3 + 0 + 2) is divisible by 3. 69145 is not divisible by 3 because the sum of its digits (6 + 9 + 1 + 4 + 5) is not divisible by 3.
