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No. 5 and 7 are odd numbers.

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โˆ™ 2016-09-28 00:57:37
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Q: Are all odd numbers are divisible by 3?
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What counterexample to the statement all odd numbers are divisible be 3?

5, 7, a bunch of numbers that are odd are not divisible by 3. numbers that are divisible by three can have all their numbers added together and come out with a number that is divisible by 3.


Is all odd numbers divisible by 3?

No


Are all odd numbers divisible by 3?

No, look at 5 it is odd and not divisible by 3. false,because if you look at the 5 it is not divisible by 3.


Why are odd numbers not divisible by 3?

Many odd numbers are divisible by 3. 3 itself for example, as well as 9, 15, 21, 27, ... Being odd and being divisible by three are not related.


Why are not all odd numbers greater than 3 are prime numbers?

Because many of them are divisible by smaller odd numbers. For example 35 is divisible by 5 and so 35 cannot be a prime number.


Which kind of number is divisible by 2 - odd numbers - all counting numbers - even numbers - whole numbers?

Only even numbers are divisible by two. If you have an odd number, for example 3, and divide by two, you will get 1 with a remander of 1.


How many odd numbers less than 100 are divisible by 3?

17 odd numbers.


Are odd numbers always prime?

Only up to 7. 9 is divisible by 3. after that some odd numbers are divisible and some aren't.


Which numbers are odd numbers?

Odd numbers are integers (whole numbers) that are not divisible by 2: 1, 3, 5, 7, ..., -1, -3, -5, -7...Odd numbers are integers (whole numbers) that are not divisible by 2: 1, 3, 5, 7, ..., -1, -3, -5, -7...Odd numbers are integers (whole numbers) that are not divisible by 2: 1, 3, 5, 7, ..., -1, -3, -5, -7...Odd numbers are integers (whole numbers) that are not divisible by 2: 1, 3, 5, 7, ..., -1, -3, -5, -7...


Are all odd numbers greater than 30 are divisible by 3?

U={whole number greater than 10 but smaller than 30 } X={numbers divisible by 3 } Y Odd numbers


What odd numbers are divisible by 3?

they donot have half


Is odd numbers prime numbers?

prime number is a number that could only be divided by itself and one. odd numbers are naturally not divisible by 2 but odd numbers can be divisible by other numbers. one example is 15. 15 is divisible by itself and one but also by 3 and 5.


Is a odd number always divisible by 5?

NO. Odd numbers are not always divisible by 5. Examples: 3 , 7, 9, 11, 13, 17, ... are odd numbers and they are not divisible by 5.


Is it true that all odd numbers are divisible by 3?

no, what about 5, 7, 11, 13 etc


Are all numbers divisible by 3 also by 9 give example?

All numbers divisible by 3 are NOT divisible by 9. As an example, 6, which is divisible by 3, is not divisible by 9. However, all numbers divisible by 9 are also divisible by 3 because 9 is divisible by 3.


What are Prime numders?

Prime numbers are whole numbers that are not divisible by anything but one and itself. Examples of prime numbers include 1;2;3;5;7;9... etc. Prime numbers must always be odd (except for 2) but not all odd numbers are prime. For example, 21 is odd, but it is divisible by 3 and 7. Therefore, it is not prime.


What numbers are divisible by 6?

All multiples of 6 Numbers are evenly divisible by 6 if they are evenly divisible by both 2 AND 3. Even numbers are always evenly divisible by 2. Numbers are evenly divisible by 3 if the sum of all the individual digits is evenly divisible by 3. For example, the sum of the digits for the number 3627 is 18, which is evenly divisible by 3 but 3627 is an odd number so the number 3627 is not evenly divisible by 6


What numbers are divisible by 3 but not 2?

For starters, the number 3 is divisible by 3 but not by 2. Next, 9, 27 etc. All the odd multiples of 3 are divisible by 3 but not 2. So there is an infinite number of numbers that are divisible by 3 and not 2.


How many odd numbers less than 50 are divisible by 3?

There are 8 odd numbers less than 50 that are divisible by 3 They are 3, 9, 15, 21, 27, 33, 39, and 45.


Are all numbers that are divisible by 9 divisible by 3?

Yes; all numbers that are divisible by 9 are divisible by 3.


What are the first four odd numbers?

1,3,5 and 7The first four odd numbers are 1, 3, 5 and 7. Odd numbers are not divisible by two.


Is 3 a odd number?

Yes because odd numbers are those which aren't divisible by 2.


Are all numbers divisible by 9 also divisible by 3?

Yes. Test a couple numbers divisible by 9--27, 81--and they are all divisible by 3.


Are all numbers divisible by -3 divisible by 3?

Yes.


Are all numbers that are divisible by 9 also divisible by 3 are all numbers that are divisible by 3 also divisible by 9 how do you know?

All numbers divisible by 9 are divisible by 3; since 9 = 3 x 3 all multiples of 9 are also multiples of 3. However, all numbers divisible by 3 are not divisible by 9, eg 6 = 2 x 3 but 6 is not divisible by 9 (since 6 is not a multiple of 9) - it only takes one counter example to disprove a theory.

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