There may be a distinction between the academic value of conjectures, but it was difficult to measure the objective difficulty of conjectures.
After all, how would one even begin to measure it?
This in itself is a pseudo-logic.
However, it was not impossible to get a general idea of the conjecture's classification.
If one ignored all the non-academic factors such as political significance, economic significance, and media influence, the thousands of mathematics conjectures could be divided into a couple of levels.
The first level was undoubtedly the millennial problems such as Riemann's conjecture and Yang-Mills existence and mass gap. These were the so-called world's seven major mathematical problems.
Once these conjectures were proven, they would not only promote the development of the field of mathematics, but it would also have far-reaching effects on other disciplines and industries.