Because it has more than two factors.
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49 is a composite number because 1x49=49 and 7x7=49.
49 is a composite number because it has more than two factors
49 is a composite number because it has more than two factors and it is also a square number
No it is a composite number.
49 is a composite number because it has more than two factors. The three factors of 49 are 1, 7, and 49.