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Question 1
Which is the only natural number that has has exactly one factor?
A. 2B. 0
C. 1D. 3
Question 2
Every number is a multiple of ________.
A. Only 1B. Itself
C. 2D. 1 and itself
Question 3
What are all the multiples of 2 called?
A. Odd numbersB. Even numbers
C. Both odd and even numbersD. neither odd nor even numbers
Question 4
A multiple of a natural number is always ________.
A. Greater than or equal to the number itself.B. Greater than the number.
C. Smaller than the number.D. Equal to the number.
Question 5
Two numbers 'a' and 'b' are factors of each other. What is true about 'a' and 'b'?
A. a > bB. a = b
C. b > aD. a ≠ b
Question 6
Which of the following numbers is a multiple of all the numbers from 1 to 10?
A. 1,320B. 2,520
C. 1,520D. 2,430
Question 7
Which option shows a CORRECT factorization?
A. 36 = 2×3×3×3B. 40 = 2×2×2×7
C. 24 = 3×3×7D. 42 = 2×3×7
Question 8
Find the prime factorization of 124?
A. 23 × 31B. 2 × 3 × 31
C. 32 × 31D. 22 × 31
Question 9
Find the least 3-digit number that has 3,5 and 7 as factors?
A. 110B. 100
C. 102D. 105
Question 10
Prime factors of 132 are?
A. 2 × 3 × 3 × 11B. 2 × 2 × 5 × 11
C. 2 × 2 × 3 × 11D. 2 × 2 × 3 × 10
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