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GMAT Number Properties
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GMAT Number Properties
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25 Questions

1. In an evenly spaced set - the ____ and the ____ are equal.

2. Prime Numbers:3x

3. On data sufficiency - ALWAYS _______ algebraic expressions when you can. ESPECIALLY for divisibility.

4. The PRODUCT of n consecutive integers is divisible by ____.

5. Positive integers with only two factors must be ___.

6. If estimating a root with a coefficient - _____ .

7. Let N be an integer. If you add two non-multiples of N - the result could be _______.

8. For ODD ROOTS - the root has ______.

9. If the problem states/assumes that a number is an integer - check to see if you can use _______.

10. How to test for sufficiency: If p is an integer - is p/n an integer? (1) k1p/n is an integer(2) k2p/n is an integer

11. v256=

12. All evenly spaced sets are fully defined if:1. _____ 2. _____ 3. _____ are known.

13. If N is a divisor of x and y - then _______.

14. ³v216 =

15. Any integer with an EVEN number of total factors cannot be ______.

16. How to solve: If p is the product of the integers from 1 to 30 - inclusive - what is the greatest integer n for which 3n is a factor of p?

17. In an evenly spaced set - the mean and median are equal to the _____ of _________.

18. N! is _____ of all integers from 1 to N.

19. v5˜

20. Positive integers with more than two factors are ____.

21. Any integer with an ODD number of total factors must be _______.

22. The sum of any two primes will be ____ - unless ______.

23. v169=

24. Prime Numbers:6x

25. Prime Numbers:1x