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Q: Why is 143 not divisible by a number 2-10?

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The number 143 is divisible by 1, 11, 13, and 143.

None, if a number is divisible by 210 then it is not a prime number!

143 is not a prime number; it is divisible by 11 and 13.Incidentally, it is divisible by 1; all numbers are.

Any of its factors which would be: 2, 3, 5, 7, 30, 42, 70, &105The factors of 210 are:1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

143 is not prime. 143 = 11 * 13

No, it is not a prime. It is divisible by 11.

210

Any multiple of 210.

The smallest number that is divisible by 5, 6, and 7 is 210.

Yes. It is divisible by 2,3,5,6,7,10,14,15,21,30,35,42,70, and 105.

210

The number must be divisible by 13 and by 11.

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