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Q: The number is more than 19 less than 31 A multiple of 9 What is the number?
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The number is more than 12 less than 20 A multiple of 7 What is the number?

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Can every prime number except 2 must be 1 more or 1 less than a multiple of 4?

Every prime number except 2 must be odd. This is because if it were even it would be divisible by 2 and so wouldn't be a prime number. The next point to note is that all odd numbers are one more or one less than a multiple of 4. Because 2 more than a multiple of 4 is even, and 3 more than a multiple of 4 is the same as 1 less than the multiple of 4 above. Thus every prime number except 2 must be 1 more or 1 less than a multiple of 4.


The number is less than 100 Odd A multiple of 5 More than 60?

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Does the exception for two and three every prime number on a hundred chart is either one more or one less than a multiple of what?

In that range, every prime number is either one more or one less than a multiple of 4. This also works for 6.


What is a number that you odd less than 20 but is a multiple of 5?

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Number is a multiple of 2 and 7my number is less than 100 but greater than 50 your number is the product of three different prime numbers?

70, it is a multiple of 2 and 7 is more than 50 but less than 100 and 2*5*7=70 and all those numbers are prime.


What is a number greater than 60 but less than 100 the number is a multiple of 4 and 6 but not a multiple of 8?

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What is your number your number is a multiple of 5 and less than 50 your number is a multiple of 3 your number has exactly 8 factors?

It is 30.


Your number is a multiple of 4 It's a square number It's less than 50 what is it?

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What is this number it isd less than 100 it is one less than a multiple of 7 it is a prime number and its digits add up to five?

41-- Less than 100-- 42 is the multiple of 7-- 4 + 1 = 5


Which number is a factor of but not a multiple?

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What is a number less than 20 is a multiple of 5 and is not odd?

10 is such a number.