exam Maths Puzzle Numerical Ability

Tell wether the number is prime or composite,if it is composite write prime factorization.

5. 132

Any help wit this problem would be GREATLY appreciated:)

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exam Other Question

Nine times the first of two consecutive odd integers equals seven times the second. Find the integers. I need help
Find the inverse of each the following matrices. A using the cofactor expansion
A=-1 3 -4
...2 4 1
...-4 2 -9

and A=0 0 2 0
......1 0 0 1
......0-1 3 0
.....