is a prime number.

is the smallest prime for which each of the numbers and

has at least three different prime divisors.

Find the next one

is a prime number.

curiously, each of the concatenations has at least three different prime divisors:

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This is it

{139,{{2,1},{3,1},{23,1}},{{2,2},{5,1},{7,1}},140,138}

Paul.

curiously, each of the concatenations has at least three different prime divisors:

130 || 138

132 || 140