This was a question asked in a competitive exam:
$(300^{3000} -1 )$ is divisible by
a) $401$ b) $501$ c) $301$ d) $901$
The answer is $301$. Not sure how they arrived at the answer. Can somebody explain ?
This was a question asked in a competitive exam:
$(300^{3000} -1 )$ is divisible by
a) $401$ b) $501$ c) $301$ d) $901$
The answer is $301$. Not sure how they arrived at the answer. Can somebody explain ?