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Earn +20 ptsQ: How many counting numbers less than 20 have an odd number of different factors?
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Continue Learning about Basic Math
Does the number 18 have 6 factors?
Yes, if you are counting positive numbers only.
If a number is a counting number or the opposite of a counting number then is it an integer?
A counting number is the numbers you lear as a little kid, counting numbers are one and up. Integers include the counting numbers, 0, and the opposite (negative) of counting numbers. So yes, a counting number or the opposite of a counting number is an integer.
Is a counting number with exactly two different factors?
That's a prime number.
How can you determine whether a counting number is a composite numbers?
If it has more than two factors.
Which number has an odd number of different factors?
All square numbers have an odd number of factors.
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