Nerds will appreciate this bit about prime numbers, in this case, 5.
There are laws in the universe, in physics, in maths. Prime numbers are really cool. Creation is all about reason, about math, about beauty, about goodness, about pointing to the one God and Lord of all. Hey! I know! How about a flower for the Immaculate Conception, this time with five petals? After all, it’s prime.
Moreover, her dear Son had five wounds. Those wounds forever take the place of the ransom for a boy which was to be paid when he was a month old, it being fixed at five silver shekels according to the sanctuary standard (see Numbers 18:16). After all, by His wounds we are healed. His five wounds are primary.