rand( 5 ) === 0 ? getEvenComposite() : getOddComposite() shuffle( primes, 4 ) shuffle( PRIMES.concat([ COMPOSITE ]) )

Which of these numbers is composite?

\large{CHOICES.join( ",\\ " )}

COMPOSITE

  • CHOICE

A composite number is a number that has more than two factors (including 1 and itself).

toSentence( _.filter( CHOICES, function( p ) { return p !== COMPOSITE; } ) ) each have only two factors.

The factors of COMPOSITE are toSentence( getFactors( COMPOSITE ) ).

Thus, COMPOSITE is the composite number.