Last updated at Jan. 3, 2019 by Teachoo
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Ex 3.4, 7 A number is divisible by 12. By what other numbers will that number be divisible? A number is divisible by 12 So, it will be divisible by all its factors Factors of 12 1 × 12 = 12 2 × 6 = 12 3 × 4 = 12 4 × 3 = 12 We stop here as 4 & 3 have occurred earlier So factors of 12 are 1, 2, 3, 4, 6 and 12 So , the number is also divisible by 1, 2, 3, 4, 6 & 12
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