2.Which of the following is NOT divisible by 2, 5, and 10?
A. 90
B. 145
C. 250
D.520
3. Which of the following is the set of common factors of 48 and 60?
A. 1, 2, 3, 4, 6, 12
B. 1, 2, 3, 4, 8, 12
C. 1, 2, 3, 4, 6, 8
D. 1, 2, 4, 6, 12
4. The following are factors of 225 EXCEPT ______.
A. 5
B. 15
C. 25
D.35
5. Which is NOT a common factor of 18, 24, and 36?
A. 2
B. 3
C. 4
D.6