Question
Download Solution PDFWhich of the following numbers is composite?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept used:
1. A composite number is a positive integer that can be formed by multiplying two smaller positive integers.
2. Prime numbers are natural numbers (>=2) that are divisible by only 1 and the number itself.
Calculation:
51 = 3 × 17
41 = 41 × 1
61 = 61 × 1
31 = 31 × 1
∴ Only 51 is a composite number among the options.
Last updated on Jun 26, 2025
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