# Mathematician:Alexander Hurwitz

## Mathematician

American mathematician who found the $19$th and $20$th Mersenne primes $2^{4253} - 1$ and $2^{4423} - 1$ in $1961$.

## Nationality

American

## History

- Born: October 16, 1937

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American mathematician who found the $19$th and $20$th Mersenne primes $2^{4253} - 1$ and $2^{4423} - 1$ in $1961$.

American

- Born: October 16, 1937

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