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How many prime numbers are there between 140 and 150?
149 is the only prime number betweeen 140 and 150.
How many prime numbers are there between 150 and 170?
four 151, 157, 163, 167
How many whole numbers between 1 and 150 have exactly 3 different factors?
There are five whole numbers between 1 and 150 that have exactly 3 different factors. Whole numbers between 1 and 150 with exactly 3 different factors must be the square numbers whose square roots are prime.To find the complete list begin counting... skip 1, not prime; 2 is prime and 2 squared is 4; 3 is prime and 3 squared is 9; skip 4 b/c it is not prime; 5 is prime and 5 squared is 25; 6 not prime; 7 prime and 7 squared is 49; 8 not prime; 10 not prime; 11 prime and squared is 121; 12 is not prime; 13 prime, but squared it is greater than 150. The complete list is 4, 9, 25, 49, and 121. 4 has 1, 2, 4 9 has 1, 3, 9 25 has 1, 5, 25 49 has 1, 7, 49 121 has 1, 11, 121
How many numbers between 1 and 150 are divisible by five?
There are 29 numbers between 1 and 150 that are divisible by five.
How many prime numbers are between 0-100?
100
