minPrimeFactor - nodef/extra-math GitHub Wiki
Find the least prime number which divides a number.
Similar: minPrimeFactor, maxPrimeFactor, primeFactors.
function minPrimeFactor(x)
// x: a number
const xmath = require('extra-number');
xmath.minPrimeFactor(1);
// → 0
xmath.minPrimeFactor(3);
// → 3
xmath.minPrimeFactor(21);
// → 3
xmath.minPrimeFactor(55);
// → 5
xmath.minPrimeFactor(53);
// → 53