Question

d the prime factors using the short division method.
2. 249
1. 520
3. 840
4. 679
5. 272
6. 155​

Answer 1

249

$.249 \div 3 = 83 \div 83 = 1\\ .520 \div 2 = 260 \div 2 = 130 \div 2 = 65 \div 5 = 13 \div 13 = 1 \\ .840 \div 2 = 420 \div 2 = 210 \div 2 = 105 \div 3 = 35 \div 5 = 7 \div 7 = 1 \\ .679 \div 7 = 97 \div 97 = 1 \\ .272 \div 2 = 136 \div 2 = 68 \div 2 = 34 \div 2 = 17 \div 17 = 1 \\ .155 \div 5 = 31 \div 31 = 1$

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