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Why is 45 not a multiple of 7?

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Anonymous

11y ago
Updated: 8/20/2019

See if you can find a whole number "n", such that 7n (i.e., 7 times n) = 45. If you can find such a number, then 45 is a multiple, by definition. Otherwise it is not.

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Wiki User

11y ago

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What is 45 in base 7?

To convert the number 45 to base 7, we need to find the largest power of 7 that is less than or equal to 45. In this case, 7^2 is 49, which is greater than 45. So, we will have a digit in the 7^2 place. The largest multiple of 7^2 that is less than 45 is 36 (7^2 * 1), leaving a remainder of 9. The largest multiple of 7 that is less than 9 is 7*1, leaving a remainder of 2. Therefore, 45 in base 7 is represented as 126.


Why is 45 a multiple of 33 and 5?

45 is a multiple of 3. 45 is a multiple of 5. 45 is not a multiple of 33. 3 x 3 x 5 = 45


What is the least common multiple of 15 and 45?

45 is a multiple of both 15 and itself, so 45 is the least common multiple of 15 and 45.


Is 45 a multiple of 7?

Well, let's take a look at this happy little math problem. If we divide 45 by 7, we find that it equals 6 with a remainder of 3. Since there is a remainder, 45 is not a multiple of 7. Don't worry, mistakes are just happy little accidents along the way to learning something new.


What is the common multiple of 45 and 9?

Any multiple of 45.


Is 45 a multiple of 15?

Yes, 45 is a multiple of 15.


Is 123456789 a multiple of 3?

Yes, 123456789 is a multiple of 3. To find out if it's a multiple of 3, you add the digits. In this case you would add 1+2+3+4+5+6+7+8+9=45. Now you take that 45 and divide by 3. If there is no remainder it is a multiple but if there is a remainder it is not a multiple. So in this case 45/3=15 with no remainder.


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The Least Common Multiple of 45, 3, and 5 is 45.