39
45789
3 composite numbers, 21, 22, and 24, are greater than 20 but less than 25.
The composite numbers that are between 1 and 20 inclusive are: 4 6 8 9 10 12 14 15 16 18 20 This is a total of eleven composite numbers equal to 20 and below.
The composite numbers less than 20 are: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
33, 63 and 93
The sum of the composite numbers that are less than 8 is: 4+6 = 10
composite numbers are less than 12: 4, 6, 8, 9, 10
39
39
9 and 15 are the only two odd composite numbers less than twenty.
would it will be 15
72 is less than 75, just as 2 is less than 5.When the first digit is the same (7 and 7 in this case) then you can just look at the last digit for whole numbers.
If the last digit in 7.37 is less than 5, then remove the last digit. One Decimal Place Rule #2: If the last digit in 7.37 is 5 or more and the second to the last digit in 7.37 is less than 9, then remove the last digit and add 1 to the second to the last digit.
45789
There are 15 prime numbers and 34 composite numbers because 1 is not considered to be a prime or composite number
There are 15 composite numbers greater than 50 but less than 70