Why is 1,034 a composite number?
AIts last digit is odd
BIts last digit is zero
CIts last digit is five
DIts last digit is even
Answer & Solution
Correct answer: D. Its last digit is even
1. A quick inspection is enough here.
2. The rule for two looks only at the last digit.
3. That digit is even, so 2 divides it.
_Source: OpenStax, Contemporary Mathematics, Ch 3 'Real Number Systems and Number Theory'_
Related questions
Why is 423 a composite number?The number 2,917 turns out to be:The number 2,117 turns out to be:Encryption for online banking is based on which kind of number?The greatest common divisor of 600 and 784 is:One way to find the LCM is to list the multiples and take the:The LCM of a set is the smallest positive common:A multiple shared by every number in a set is a: