Which of the following is a composite number? A. 91 B. 139 C. 13 D. 29
Mathematics · High School · Tue Nov 03 2020
Answered on
Composite numbers are numbers that are formed when two integers are multiplied to each other aside from the integers 1 and the number itself. This means that a composite number has more than 2 factors.
In order to determine which among the given is a composite number we list each of their factors.
Factors of 91:
1, 7 13, and 91
Composite number ( more than 2 factors)
Factors of 139:
1 and 139
Prime number ( only 2 factors)
Factors of 13:
1 and 13
Prime number ( only 2 factors)
Factors of 29:
1 and 29
Prime number ( only 2 factors)
Final answer:
A. 91