3

Part of 2022 Chile National Olympiad

Problems(1)

can 57- digit no by juxtaposing numbers 472-490 be prime?

Source: 2022 Chile National Olympiad level 2 p3

19

472

473

...

490

are juxtaposed in some order to form a

57

-digit number. Can any of the numbers thus obtained be prime?

number theoryprimeDigits