Home › SSC CGL › Quantitative Aptitude › Number Sense › A natural number with only two unique divisors i…
A natural number with only two unique divisors is called:
APerfect
BPrime
CPaired
DPartial
Answer & Solution
Correct answer: B. Prime
1. Those two divisors are one and the number itself.
2. Seven and nineteen are given as examples.
3. Such a number is prime.
_Source: OpenStax, Contemporary Mathematics, Ch 3 'Real Number Systems and Number Theory'_
Related questions
Why is 1,034 a composite number?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: