Yes, because 7 * 7 = 49
(* = times)
No, but it is composite.
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A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 49 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 7. Therefore, 49 is a composite number.
49 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Since 49 is a composite, the answer is 0.
120 and 49
The composite numbers between 41 and 50 are: 42, 44, 45, 46, 48, 49, 50.