Question

factors of 21
and natural number also

Answer 1

Answer:

Results: The number 21 is a composite number because 21 can be divided by one, by itself and at least by 3 and 7. A composite number is an integer that can be divided by at least another natural number, besides itself and 1, without leaving a remainder (divided exactly). The factorization or decomposition of 21 = 3•7.

Step-by-step explanation: