A century is a 100 years , so 7 CE would be yet 700 , NOT year 7
7 CE is year 700 , its not year 7 🙂
You are claiming that Mohammed was born when Jesus was 7 years old and they were both in Jerusalem at the same time 🙂
7 CE is year 700 , This year is 2025 , which makes Islam 1400 odd years old