Harder than you think (3)

1 1 × 2 2 × 3 3 × 4 4 × × 9 8 98 × 9 9 99 × 10 0 100 \large \displaystyle 1^1 \times 2^2 \times 3^3 \times 4^4 \times\cdots \times 98^{98} \times 99^{99} \times 100^{100}

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Find the last five non-zero digits of the number above.


Before you try this, try Problem 1 and Problem 2 .


The answer is 87968.

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