Problem 97

Large non-Mersenne prime

The first known prime found to exceed one million digits was discovered in 1999, and is a Mersenne prime of the form 2^{6972593}1; it contains exactly 2,098,960 digits. Subsequently other Mersenne primes, of the form 2^{p}1, have been found which contain more digits.

However, in 2004 there was found a massive non-Mersenne prime which contains 2,357,207 digits: 284332^{7830457}+1.

Find the last ten digits of this prime number.

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