I’d appreciate a lot if you could point out what I am doing wrong with my code.

https://www.codecademy.com/courses/fizzbuzz/0/6?curriculum_id=4f4bdd96848740000300026a#

ReferenceError: Invalid left-hand side in assignment

```
for (var counter = 0; counter <= 100; counter = counter + 1)
{
for (var x = 2; x < counter; x = x + 1)
{if(counter % x = 0)
{
console.log(counter);
}
}
}
```

Very many thanks,

Masa

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Thank you. I could fixed the error. But my code is not correct yet, to get prime numbers between 0 and 100.

```
for (var counter = 0; counter <= 100; counter = counter + 1)
{
for (var x = 2; x < counter; x = x + 1)
{if(counter % x != 0)
{
console.log(counter);
}
```

Your dan’t closed your curly brackets. You have only `if(counter % x != 0)`

closed properly. Your code should look like:

```
for (var counter = 0; counter <= 100; counter = counter + 1) {
for (var x = 2; x < counter; x = x + 1) {
if (counter % x != 0) {
console.log(counter);
}
}
}
```

You should rethink your algorithm. Now it’s printing all numbers (multiple times). For finding prime number you could read about Sieve of Eratosthenes, I think it is one of the most efficient ways to find all of the smaller primes.