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Type: Open-Ended
Category: Primes, Factors, and Multiples
Level: Grade 4
Standards: 4.OA.B.4
Author: nitanjan
Last Modified: 7 years ago

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Primes, Factors, and Multiples Question

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Grade 4 Primes, Factors, and Multiples CCSS: 4.OA.B.4

The number 13 is prime. When the digits are reversed we get 31 and 31 is also prime. Find another number pair with this property.