The factors of 400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400.
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4,8,16,20,40,80,100,200,400
the distinct prime factors are 2 and 5 the prime factors are 2,2,2,2,5,5 The factors of 400 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, and 400. 400 = 4 x 100 = 4 x 10 x 10 = (2 x 2) x (2 x 5) x (2 x 5) = 24 x 52 = 400 Your prime factors of 400 are 2 and 5. See how we did it. Just start breaking it down and keep doing that until you can't do it any more.]
NO. 400 is not prime.400 is a composite number because it is even so definitely it has other factors aside from 1 and itself which is 2.
400 800 1200 multiples of 4
400 = 2 x 2 x 2 x2 x 5 x 5 (or 24 x 52)