Elderly Memes

Mathematically speaking, this grandma is ancient . If she used to be a prime number (divisible only by 1 and itself), she's now clearly a composite number with multiple factors. The largest known prime number has over 24 million digits, so we're talking about someone who's been around since before the universe had proper coffee shops. No wonder she needs help getting to bed - she's probably exhausted from watching the Big Bang firsthand.