Will 2021 be a “prime” year?

Every birthday I consider whether I'm in the "prime of my life" ... like when I was 13 or 17 years old.  Will this new year be a prime year?  I hope so.

Don't use Google or Siri or whatever.  Just see if you can figure this out and explain your reasoning.

The activity: PrimeYear2021.pdf

CCSS: 4.OA.B.4, 5.NF.B.5.a, 6.NS.B

For members we have an editable Word docx and solutions with hints.

PrimeYear2021.docx    PrimeYear2021-solution.pdf

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