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20 questions
Which of the following statement is false?
Every number is a multiple of 1.
A multiple is a number which is completely divisible by a given number.
The smallest multiple of a number is 1.
Multiples are unlimited.
Which number is divisible be 2, 10 and 6?
5770
7770
59540
8522
The greatest number that can divide 16, 48, 80.
160
8
16
48
Which number is the only even prime number?
2
4
6
12
Which number is prime?
13
8
21
35
Which number is Composite?
3
5
11
12
Marly noticed that her house number and her friend’s house number are both prime numbers. Which of the following could be their house numbers?
Marly 13 Friend 25
Marly 27 Friend 15
Marly 29 Friend 39
Marly 31 Friend 13
Which of the following lists all of the prime numbers on the clock face?
1, 3, 5, 7, 11
3, 5, 7, 9, 11
2, 3, 7, 9
2, 3, 5, 7, 11
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