Primes less than 100 in a 4 x 4 board
$begingroup$
Place one of the digits (0 to 9) in each of the cells of a 4 x 4 board so that as many as possible of the 25 primes less than 100 divide at least one of 10 positive 4-digit numbers that can be read across, down or diagonally (from top to bottom).
mathematics arithmetic
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
$endgroup$
add a comment |
$begingroup$
Place one of the digits (0 to 9) in each of the cells of a 4 x 4 board so that as many as possible of the 25 primes less than 100 divide at least one of 10 positive 4-digit numbers that can be read across, down or diagonally (from top to bottom).
mathematics arithmetic
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
$endgroup$
add a comment |
$begingroup$
Place one of the digits (0 to 9) in each of the cells of a 4 x 4 board so that as many as possible of the 25 primes less than 100 divide at least one of 10 positive 4-digit numbers that can be read across, down or diagonally (from top to bottom).
mathematics arithmetic
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
$endgroup$
Place one of the digits (0 to 9) in each of the cells of a 4 x 4 board so that as many as possible of the 25 primes less than 100 divide at least one of 10 positive 4-digit numbers that can be read across, down or diagonally (from top to bottom).
mathematics arithmetic
mathematics arithmetic
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
asked 9 mins ago
Bernardo Recamán SantosBernardo Recamán Santos
2,7611349
2,7611349
add a comment |
add a comment |
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