The closest Prime number before 49 is 47. A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. In this case, 47 is the largest prime number less than 49, as it is not divisible by any other number except 1 and 47.
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49 is not a prime number. It is the square of the prime number 7.
49 is a prime number itself.
The prime number that is closest to 50 and smaller than it is 47 (check it, 48 and 49 are divisible by other numbers than 1 and themselves). The prime number that is closest to 50 and is bigger than it is 53 (51 and 52 are divisible by other numbers than 1 and themselves). Therefore: 47+53=100 100 is the answer.
The prime factor of 49 is 7. 49 is the square of 7.
The number 49 has a single prime factor, 7.