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Write 1,386 as the product of its prime factors

A. 2 x 693
B. 2 x 3 x 231
C. 2 x 3 x 7 x 33
D. 2 x 3 x 3 x 7 x 11

what do you think

2 answers

Each choice properly multiplies up to 1386, but D is the only choice that has all prime factors.

693, 231, and 33 aren't prime numbers since they can be factored further.
What do you think? Are 693, 231 and 33 prime numbers? Look at the list and think about it
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