If your math problem is epoch-making, you can certainly publish the world's top journals. It's very difficult if it's just a general math problem. Nature is one of the most prestigious scientific magazines with a long history in the world. It was first published on June 4th 1869 165438. An international, interdisciplinary science weekly that has attracted widespread attention from the scientific community. Articles that are innovative, inspiring and close to hot spots will be easy to publish.