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Last updated at Jan. 3, 2019 by Teachoo
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Ex 3.5, 4 Write the greatest 4-digit number and express it in terms of its prime factors.Greatest 4 digit number = 9999 3|9999 3|3333 11|1111 101|101 |1 We stop here as 101 is a prime number 9999 = 3 × 3 × 11 × 101
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