2310

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Number

$2310$ (two thousand, three hundred and ten) is:

$2 \times 3 \times 5 \times 7 \times 11$

The $5$th primorial after $1$, $2$, $6$, $30$, $210$ (counting $1$ as the zeroth):

$2310 = p_5 \# = 11 \# = 2 \times 3 \times 5 \times 7 \times 11$

Hence the smallest positive integer with $5$ distinct prime factors.

Also see

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Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $2310$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $2310$