answersLogoWhite

0


Best Answer

You can tell a number is divisible by 3 when the sum of its digits is equal to 3 or a multiple of three. In this instance, 1 + 2 + 9 = 12/3 = 4, therefore 129 is divisible by 3.

User Avatar

Wiki User

โˆ™ 2011-01-28 18:43:23
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

โžก๏ธ
See all cards
3.71
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
338 Reviews

Add your answer:

Earn +20 pts
Q: Why is 129 divisible by 3?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is 129 divisible?

129 is divisible by: 1 3 43 129.


What are all the numbers that 129 is divisible?

129 is divisible by 1 3 43 and 129.


What is 129 divisible by?

3 or 129.1, 3, 43, 129


Is 129 divisible by 3?

Yes - 129/3 = 43


Divisible of 129?

3.


What is 129 divide by?

129 is divisible by: 1, 3, 43, 129.


Is 129 divisible by 43?

Yes. 129/43=3


Is the number 129 prime or composite?

129 is divisible by 3. 1+2+9=12 and 12 is divisible by 3. That is the rule of divisibility by 3.


What is 387 divisible by?

387 is divisible by: 1 3 9 43 129 and 387.


Is 129 a composite number?

Yes. 1 + 2 + 9 = 12 12 is divisible by 3. If the sum of the digits of a number are divisible by 3, then the whole number is divisible by 3. 129 is a composite number because it divisible by a factor other than 1 and itself.


Is 258 divisible by 2 and 3?

Yes By 2 = 129 by 3 = 86


Is 129 a prime number or a composite number?

It is composite. It is divisible by 3.


What multiplied by what equals 129?

When looking for factors, try out some small numbers, such as 2, 3, 5, 7. In this case, it is quite obvious that 129 is not divisible by 2. But if you continue trying, you see that it IS divisible by 3. Of course, if you divide 129 by 3, you get the other factor.


What number between 120 and 130 is divisible by 3 and has a digit sum divisible by 4?

129.129.129.129.


Is 129 divisible by 290?

No.


Is 129 divisible by 12?

No.


Is 2 divisible by 129?

No.


Does 129 go into 1000?

No. 1,000 is not evenly divisible by 129.


Can 129 be divisible by 6 and 9?

No, it isn't divisible by either


Is 129 divisible by 6?

No. All multiples of 6 are even and 129 is odd so it cannot be divisible by 6.


What is 645 divisible by?

1, 3, 5, 15, 43, 129, 215, 645.


What is 4773 divisible by?

1, 3, 37, 43, 111, 129, 1591, 4773.


Can 129 be divisible by 6?

No, not evenly.


Why is 149 not divisble by 3?

One way to work it out in your head is to consider than 30 is divisible by 3, so you can ask if 140 is divisible by 30. It's not, since 14 is not divisible by 3. If the number was 129 or 159, both of those are divisible by three since both 12 and 15 are divisible by 3.


Is 129 prime or composite?

129 is divisible by three, hence it is a composite number.