nuryslyrt · June 8, 2022 22:07 · Jun 8, 2022 · Jun 8, 2022 · Jun 8, 2022
diff --git a/mersenneprimenumberlist.go b/mersenneprimenumberlist.go
@@ -14,7 +14,8 @@ func IsPrime(num int64) int64 {
 		fmt.Println("Number must be greater than 2.")
 		return
 	} **/
-	sq_root := int64(math.Sqrt(float64(num)))
+	var sq_root int64
+	sq_root = int64(math.Sqrt(float64(num)))
 	var i int64
 	for i = 2; i <= sq_root; i++ {
 		if num%i == 0 {
@@ -49,4 +50,4 @@ func main() {
 	var i int64
 	fmt.Scan(&i)
 	listOfMersenneNo(i)
-}
+}
diff --git a/mersenneprimenumberlist.go b/mersenneprimenumberlist.go
@@ -46,5 +46,7 @@ func listOfMersenneNo(n int64) {
 }
 
 func main() {
-	listOfMersenneNo(61)
-}
+	var i int64
+	fmt.Scan(&i)
+	listOfMersenneNo(i)
+}
diff --git a/mersenneprimenumberlist.go b/mersenneprimenumberlist.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+	"math"
+)
+
+//  Golang program for
+//  Display mersenne prime numbers from 1 to n
+
+func IsPrime(num int64) int64 {
+	/**
+	if num < 2 {
+		fmt.Println("Number must be greater than 2.")
+		return
+	} **/
+	sq_root := int64(math.Sqrt(float64(num)))
+	var i int64
+	for i = 2; i <= sq_root; i++ {
+		if num%i == 0 {
+			//fmt.Println("false")
+
+		}
+	}
+	return num
+}
+
+// Print the Mersenne prime number
+func listOfMersenneNo(n int64) {
+	// How to check if a number is a mersenne prime
+	// Condition number greater than 1 And
+	// Number is prime And
+	// When a number is divided by 2 it's never an
+	// even number till the number is zero.
+
+	var p int64
+	var num int64
+	for p = 2; p <= n; p++ {
+		num = (1 << p) - 1
+
+		if IsPrime(num) == num {
+			fmt.Println(num)
+		}
+
+	}
+}
+
+func main() {
+	listOfMersenneNo(61)
+}