
David W. answered 03/12/20
Experienced Prof
Because a prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
50 = 1
40 = 1
These factors are not prime !
5°•11* • 4° = 11
11 is prime (rather than a composite number), so this is also the prime factorization of 11.