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No number is less than 20 and greater than 40, but if you switch them around, your answer is 25.

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Q: The number is less than 20 greater than 40 is not divisible by 2 3 or 7 is not a prime number the sum is not 8?
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Related questions

What is the number described by all the clues belowthe number is not less than 20 the number is not greater than 40 the number is not divisible by 2 3 or 7 the number is not a prime number?

25 is the number not less than 20, not greater than 40, not divisible by 2 3 or 7, and not a prime number.


What is a prime number greater than 25 but less than 30?

Prime number greater than 25 but less than 30 is 29.


What number is divisible by 6 and a prime number less than 30?

18


What prime number is less than 52 and greater than 43?

47 is the prime number greater than 43 and less than 52.


A prime number less than 50 is 6 greater than the prime number just before it and 4 less than the prime number just after it what is the prime number?

37


Will the product of any prime numbers greater than one but less than twenty ever be prime?

No. If you multiply two prime numbers, any prime numbers, the result will - by definition - not be a prime number. For example, if you multiply 2 x 3, the result will obviously be divisible by 2 and by 3, and therefore, not be a prime number. By the way, one is not usually considered a prime number.


How did you find that 71 is a prime number?

Its square root is less than 9, but it is not evenly divisible by any number less than 9, other than 1, so it is a prime number


Prime number that greater than 86 but less than 120?

It could be 97 which is a prime number.


What prime number is greater than 30 and less than 35?

Prime number which is greater than 30 and less than 35 is 31.


Number less than 50 not a prime number not divisible by 2 3 4 5 6?

49 is not prime, as it's 7 * 7.


Why do you use half of the number to find prime?

To test for the factors of any prime number, you only need to test for numbers up to half of the number, because if the number is not divisible by 2, the next smallest number it would be divisible by is 1, which would make it a prime number.Similarly, there are no factors of any number greater than half of the original number, other than itself.Ans 2.Well, there is certainly no point in trying factors greater than half the number, just as explained above. On the other hand, there is no need to try numbers that big either. If you want to discover whether 1,000,001 is prime you do not need to try numbers up to 500,000; testing up to 997 looking for possible factors is sufficient. The rule is quite simple: try all primes that are less than the square root of the number you are researching. This works because if the target number is divisible by a number greater than its square root, it must also be divisible by a number less than its root.


What is a prime number that is greater than 88 and less than 95?

89


What is the prime number greater than 6 but less than 97?

There is no "the" prime number in that range - there are 21 of them. If you want "the" prime number you will need to be more specific.


Can 10 be divisible by 66?

No. To be divisible by a number it must be greater than, or equal to, that number. 10 is less than 66, so 10 cannot be divisible by 66.


If a two-digit number less than 40 is divisible by only one prime number The sum and the difference between the digits is also a prime number thus what is the number?

16


What is the prime number average that are greater than 20 but less than 42?

27 is the prime number and also 41.


A set of prime numbers less than 18?

Prime numbers are such number which are only divisible by 1 and by itself only..{1,2,3,5,7,11,13,17}


Can you find a number less than 150 that is divisible by 4 different prime numbers?

85


What number is greater than 25 and less than 50 is greater than 40 and less than 100 is evenly divisible by 11 and is odd?

No number meets these criteria. The number must be between 41 and 49. The only number in that range that is evenly divisible by 11 is 44, but 44 is even, not odd.


What is a prime number greater than 30 but less than 45?

■31, 37,41,43


What 2 digit number less than 40 is divisible by 1 prime number whose sum is a prime and whose difference is a prime?

29 is the answer. 29 is prime. 2+9=11 which is prime. 9-2=7 which is prime.


What is the number that is greater then 50 and less than 100 and whose prime factorization consists of only one prime number?

64


How do you know that any remaining number less than 100 must be prime?

If it is divisible by 2, 3, 5 or 7 then it is not prime. Otherwise it is.


Why are square numbers one less than a prime number always even?

Prime numbers, except 2, are always odd (they would not be prime if they were even cos they would be divisible by 2.) 1 less than any odd number must be an even number.


Is there a number less than 200 that is divisible by four different prime numbers?

No. The 4 smallest primes are 2 3 5 7. Multiplying these gives 210. Note that 1 is not regarded as a prime no. If it were to be then no other number could be prime for all of them are divisible by 1.