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Prime and Composite Numbers
Prime and Composite Numbers
Last updated at May 29, 2023 by Teachoo
Ex 3.2, 4 Write down separately the prime and composite numbers less than 20. Writing factors of numbers from 1 to 20 Prime numbers a number 1 and 20 are 2, 3, 5, 7, 11, 13, 17, 19 Composite number here 1 and 20 are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18