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19 doesn't belong. The rest of the numbers are multiples of 3.

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Q: If you have the numbers 3 9 15 19 27 30 which one doesn't belong?
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Related questions

What numbers does 15 multiply in?

There are infinitely many such numbers. they belong to the set n*15 where n is any integer.


Which one of the numbers does not belong in the following series 2 3 6 7 8 14 15 30?

8


What numbers does not belong in the series 2 - 3 - 6 - 7 - 8 - 14 - 15 - 30?

If the series is plus one, times two, plus one, times two, etc., the 8 does not belong.


Which one of the following numbers does not belong to the series 1 3 5 7 9 11 12 13 15?

The answer is 12 every other numbers are odd numbers, but 12 is an even number


What set of numbers does -15 belong to?

Its a NEGATIVE number. A NEGATIVE INTEGER.


Which group of sets does the number -15 belong to?

To any set that contains it! It belongs to {-15}, or {sqrt(2), -15, pi, -3/7}, or all whole numbers between -43 and 53, or multiples of 5, or composite numbers, or integers, or rational numbers, or real numbers, or complex numbers, etc.


What number doesnt belong 3 7 11 15 31?

31 because 3+4=7+4=11+4=15+4 does not equal 31


Which doesnt belong 1 5 10 15 20 25 50 100 and why?

1, because all the numbers are factors of 5.* * * * *Or 5: it is the only prime number.Or 15: it is the only number that is not a factor of 100Or 25: it is the only number with three factorsOr 100: it is the only number with 9 factors


Which number doesn't belong 6 10 12 15?

15 because its an odd number whereas 6, 10 & 12 are even numbers.


What number does not belong out of these numbers 15 33 55 87 93 and 99?

55 because it is not a multiple of 3


How many lanthanides and actinides are there?

There are 15 lanthanides (from lanthanum to lutetium) and 15 actinides (from actinium to lawrencium) in the periodic table. These elements belong to the f-block of the periodic table and have unique properties due to their electron configurations.


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.