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Three Working backwards from 11 then add 4 to make 15 then dividing 15 by 5 makes 3
11-9=v
Yes, the number 143 can be divided by several numbers. When dividing 143 by 1, the result is 143. When dividing by 11, the result is 13. When dividing by 13, the result is 11. So, 143 can be divided by 1, 11, 13, and itself.
11 is a prime number because the factors of 11 are only 1 and itself.
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