$$81+74+69+73+91+55+61/7$$
$\frac{3162}{7}\approx 451.714285714$
$$155+69+73+91+55+\frac{61}{7}$$
$$224+73+91+55+\frac{61}{7}$$
$$297+91+55+\frac{61}{7}$$
$$388+55+\frac{61}{7}$$
$$443+\frac{61}{7}$$
$$\frac{3101}{7}+\frac{61}{7}$$
$$\frac{3101+61}{7}$$
$$\frac{3162}{7}$$
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$\frac{2 \cdot 3 \cdot 17 \cdot 31}{7} = 451\frac{5}{7} = 451.7142857142857$
