243144:7

1. Divide 243 by 7. The quotient is 34 and the remainder is 5.

2. Bring down the next digit, 1, to form 51. Divide 51 by 7. The quotient is 7 and the remainder is 2.

3. Bring down the next digit, 4, to form 24. Divide 24 by 7. The quotient is 3 and the remainder is 3.

4. Bring down the next digit, 4, to form 34. Divide 34 by 7. The quotient is 4 and the remainder is 6.

Result: 34734 with remainder 6