Bob became bored again, so he asked his friend to tell him a trick again. The friend said:

"Okay. Hm............. okay. Think of a number between 1 and 1000. Now, divide it by 7 then tell me the remainder."

Bob replied 4.

"Now divide it by 11 then tell me the remainder."

Bob replied 1.

"Now divide it by 13 then tell me the remainder."

Bob replied 8.

"Okay, I now know your number, it's......."

What is the number Bob was thinking of?

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