primeExponentials - nodef/extra-math GitHub Wiki

Find the prime factors and respective exponents of a number.

Similar: properDivisors, primeFactors, primeExponentials, isPrime.

function primeExponentials(x)
// x: a number
const xmath = require('extra-number');


xmath.primeExponentials(1);
// → []

xmath.primeExponentials(9);
// → [3, 2](/nodef/extra-math/wiki/3,-2)

xmath.primeExponentials(63);
// → [3, 2], [7, 1](/nodef/extra-math/wiki/3,-2],-[7,-1)

xmath.primeExponentials(605);
// → [5, 1], [11, 2](/nodef/extra-math/wiki/5,-1],-[11,-2)

xmath.primeExponentials(53);
// → [53, 1](/nodef/extra-math/wiki/53,-1)

References