public/tests/go/func/correct/isprime.go

package correct

import "math"

func IsPrime(value int) bool {
	if value < 2 {
		return false
	}
	limit := int(math.Floor(math.Sqrt(float64(value))))
	i := 2
	for i <= limit {
		if value%i == 0 {
			return false
		}
		i++
	}
	return true
}