No, 49 is composite. it is the product of 7 multiplied by 7. A Prime number cannot be obtained when you multiply any other numbers together,
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no because 7x7 =49
Prime factorizations are just for integers, not decimals.
2009 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 2009 are 1, 7, 41, 49, 287, and 2009.The factor pairs of 2009 are 1 x 2009, 7 x 287, and 41 x 49.The proper factors of 2009 are 1, 7, 41, 49, and 287 or,if the definition you are using excludes 1, they are 7, 41, 49, and 287.The prime factors of 2009 are 7, 7, and 41. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.The distinct prime factors of 2009 are 7 and 41.The prime factorization of 2009 is 7 x 7 x 41 or, in exponential form, 72 x 41.
These numbers are co-prime so there is no common factor above 1.
The factors of 245 are 1, 5, 7, 35, 49, and 245. The pairs are 1*245, 5*49, and 35*7. The prime factorization of 245 is 5*7*7 or in exponential form 5*72. The prime factors are 5 and 7.