Factors and Multiples — Important Questions
ICSE · Class 5 · Mathematics
46 important questions from Factors and Multiples for ICSE Class 5 Mathematics, with answers. Part of the ICSE Class 5 Mathematics syllabus.
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Important Questions from Factors and Multiples
Which is the smallest prime number?
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2
2 is the smallest and only even prime number. It has exactly two factors: 1 and 2.
Which of the following is a composite number?
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15
15 has more than two factors: 1, 3, 5, 15. So it is composite.
Which number is a multiple of 3?
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39
Sum of digits: 3 + 9 = 12, which is divisible by 3. So 39 is divisible by 3.
Which of the following numbers is divisible by 10?
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210
210 ends with 0, so it is divisible by 10.
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