Prodigious equals to ‘favorable(great) number’, something that is very large or impressive. That means they are so huge in size that they carry immense importance with them. Hence, it has been labeled as a great number.
It is as simple as that!
Meaning of Prodigious:
1. extra ordinary in size, number, extent or its degree.
Sentence Examples for Prodigious:
1. she has a prodigious talent.
2. he has a prodigious amounts of cash.
3. they ate prodigiously at the event.