For 688 to be an integer, 688 has to be a whole number. Furthermore, for 688 to be an integer, you should be able to write 688 without a fractional or decimal component.
688 is a whole number that can be written without a fractional component, thus 688 is an integer.
The answer to the question: "Is 688 an integer?" is YES.
Integer?
Check other numbers to see if they are integers.
Is 689 an Integer?
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More Information from Research Maniacs:
Is 688 a prime number?
Now you know that 688 is an integer, but do you know if 688 is a prime number?
What are the factors of 688?
What are the factors of the integer 688 you ask?
Is 688 a square number?
Find out if 688 is a perfect square number!
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