It is a composite number.
515 = 5 x 103 = 103 x 5 as 103 is a prime number
5 x 103 = 515
No.
5 x 103 = 515
515 = 5 x 103
5 x 103 = 515
It is a composite number because it has more than two factors
The general factors of 515 are : 515, 103, 5 and 1. The prime factors of 515 are 5 and 103.
By the rules of divisibility, you know that 515 is divisible by 5. 515 divided by 5 is 103. Since both 5 and 103 are prime and can't be divided further, stop there. The prime factorization of 515 is 5 x 103.
515 = 51 x 1031
5 and 103