Is 49 a prime number? No, 49 is a composite number because it has more than 2 factors. In Mathematics, factors of 49 are the real numbers that can divide the original number, evenly or in equal parts. Alternatively, we can say, when the product of two numbers results in the original number, then they become the factors. Since 49 is a composite number, it has more than two factors. We need to find these factors with the help of the division method. Also, the prime factors can be evaluated using the prime factorisation method.