GRE
The fraction of integers in list P that are prime
$$\frac{1}{7}$$
The least possible number of different prime numbers whose sum is 50
$$3$$
The number of integers between 10 and 100 whose least positive prime factor is 7
The remainder when $$x^2+y^2$$ is divided by $$4$$
$$2$$
$$x$$
$$5$$
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