All of them except 67, 71 and 73 which are prime numbers
65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80
All of the whole numbers between 50 and 75 are composite numbers, except 53, 59, 61, 67, 71, and 73.
The prime numbers between 65 and 75 are: 67, 71 and 73
The composite numbers between 70 and 80 are 72, 74, 75, 76, 77 and 78.
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77 and 78.
65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80
All of the whole numbers between 50 and 75 are composite numbers, except 53, 59, 61, 67, 71, and 73.
The prime numbers between 65 and 75 are: 67, 71 and 73
The composite numbers between 70 and 80 are 72, 74, 75, 76, 77 and 78.
62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77 and 78.
They are the composite numbers that have more than two factors in them whereas prime numbers have only two factors in them
60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78
To find the prime numbers between 65 and 75, try dividing each number by 2, 3, 5, and 7. If there is a remainder after division by any of those divisors, the is prime; if there are no remainders, the number is composite.
The sum is 75.
The composite numbers between 50 and 80 are: 50, 51, 52, 54, 55, 56, 57, 58, 60 62, 63, 64, 65, 66, 68, 69, 70, 72 74, 75, 76, 77, 78, 80
Both composite 75 is divisible by 5 112 is divisible by 2 ... and other numbers
75 composite numbers are there till 100. 100-25=75. Composite numbers are numbers greater than 1 but not prime numbers.