Essentially Hume is saying' If our current understanding of the Laws of Nature do not correspond with a proposed Miracle, it is impossible that a Miracle took place.
That is NOT what he said. He specifically said to judge how likely and probable it was.
What is your explanation to show that this was not a Miracle?
Let's ask a better question. How WAS it a miracle? He didn't say when it would happen. He didn't say who would do it, under what circumstances or anything very specific. He preached an apocalyptic message that said judgement and destruction was coming, they were invaded by Rome and resistance groups were everywhere AND the temple had been destroyed before.
Specifically, where was the miracle?
Campbell argued that the most important factor in determining the authenticity of testimony of a Miracle is the number of witnesses. Numerous witnesses and no evidence of collusion will supersede all other factors, Large Scale testimony is capable of providing absolute certainty even with the most miraculous event.
Such as?