Question
Identify each of the following as prime or composite, and factor the composites into primes.a. $2!+1$b. $3!+1$c. $4!+1$d. $5!+1$e. $6!+1$f. $7!+1$g. $8!+1$h. $9!+1$
Step 1
\[ 2! = 2 \quad \Rightarrow \quad 2! + 1 = 2 + 1 = 3 \] 3 is a prime number. Show more…
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