Math is a product of the mind, an intelligent one. Man’s mind discovers that physical creation performs in a mathematical relationship. Therefore physical creation was established according to mathematical relationships, a product of a mind external to the creation. For this reason mathematics is an argument for the existence of God.
This video from Reasonable Faith1 may make those of us who took math take a fresh look.
1 Amy Hall, Stand to Reason, August 19, 2020. https://www.str.org/w/the-mathematical-argument-for-the-existence-of-god