19 doesn't belong. The rest of the numbers are multiples of 3.
8
31 because 3+4=7+4=11+4=15+4 does not equal 31
The number -15 belongs to several subsets of numbers, including the set of integers (ℤ), the set of rational numbers (ℚ), and the set of real numbers (ℝ). It is specifically classified as a negative integer, as it is less than zero.
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.
The number that does not belong in this set is 77. All the other numbers are either multiples of 3, 5, or 7, while 77 is not a multiple of any of these numbers.
There are infinitely many such numbers. they belong to the set n*15 where n is any integer.
8
If the series is plus one, times two, plus one, times two, etc., the 8 does not belong.
The answer is 12 every other numbers are odd numbers, but 12 is an even number
Its a NEGATIVE number. A NEGATIVE INTEGER.
31 because 3+4=7+4=11+4=15+4 does not equal 31
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.
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
15 because its an odd number whereas 6, 10 & 12 are even numbers.
55 because it is not a multiple of 3
The number -15 belongs to several subsets of numbers, including the set of integers (ℤ), the set of rational numbers (ℚ), and the set of real numbers (ℝ). It is specifically classified as a negative integer, as it is less than zero.
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.