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17 December, 01:25

John's grandmother's birthday is on grandparents day. His dad told him on this birthday his grandma will be a prime number. He also said that this birthday will be the first time her age will be a prime number since she was 79 years old. How old will John's grandma be on her birthday?

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  1. 17 December, 01:44
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    She will be 83 because you can’t divide it by anything, you coulda looked it up
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