Probably there are different possible answers for this. I would say 15, because it isn't a Prime number.
15
25-1=24 24-2=22 22-3=19 19-4=15 15-5=10 The next number in the series is 10.
15 is. In addition to ' 1 ' and itself, it has the additional factors 3 and 5 .
19 every other number is a 6 and every number inbetween goes up by 5
19
19 doesn't belong. The rest of the numbers are multiples of 3.
"You Belong To Me" by Jo Stafford was the number 1 hit song on September 19, 1952.
15 is composite number 17, 19 and 23 are prime numbers.
Country code +880 is Bangladesh, and +880 19 is a Banglalink mobile.
Prime and odd are the only ones I could think of
3 x 5 = 15, so 15 is not a prime number.
19
15
15 and 19/100
25-1=24 24-2=22 22-3=19 19-4=15 15-5=10 The next number in the series is 10.
19 only has 2 factors - itself and 1. 15 has 4 factors - itself, 1, 3, and 5. Prime numbers can only have 2 factors. 19 is prime, 15 is composite.
15 is. In addition to ' 1 ' and itself, it has the additional factors 3 and 5 .