Many = 5000? Don’t think so. Thanks though. Want to stay closer to the truth.
The 5000 comes from John 6:10:
“Then Jesus said: Make the men sit down. Now there was much grass in the place. The men therefore sat down, in number about five thousand.” (DRC)
“Jesus said, “Make the people sit down.” Now there was a great deal of grass in the place; so theysat down, about five thousand in all” (NRSVCE)
The John 6:22 refer top the crowd, imply to be the same 5000 / 5000 men + others:
"The next day the crowd that had stayed on the other side of the sea saw that there had been only one boat there. " (NRSVCE)
“The next day, the multitude that stood on the other side of the sea, saw that there was no other ship there but one,” (DRC)
Like many catholic theology, you can’t just read a line here and there. The entire narrative, at least the entire chapter, must be read. If you need a link to a John 6, this is a good one:
Vulgate - Douay-Rheims - Knox Bible side by side
Have Knox bible, which is a good translation, in addition to DRC and Vulgate. And the John 6 narrative for eucharist is standard Catholic argument for Eucharist since Trent.
If you insist on us quoting the John 6 for you, I will do it, even though you are clearly in front of a computer yourself.