Given |a1| = 2 , |a2|=3 and |a1+a2| = 3 . the magnitude of (a1+2a2).(3a1 - 4a2) is ?
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The first few prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19 and 23, and we have a prime number chart if you need more.
If we can make it by multiplying other whole numbers it is a Composite Number.
Like this:
prime composite
2 is Prime, 3 is Prime, 4 is Composite (=2×2), 5 is Prime, and so on...
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