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Amber wants to make a tapestry based on the prime factors of 39. Explain why she needs to identify a new color for this tapestry.

Amber wants to make a tapestry based on the prime factors of 39. Explain why she needs-example-1
User Magus
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I believe its because its missing the factor of 13 in the list, 3 x 13 = 39. 13 is also a prime number.
User JimmyB
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