Assuming that is x squared minus 16:
x2 - 16 = (x + 4)(x - 4)
(The difference of two squares.)
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The GCF of 16 and 60 is 4.Prime Factors of 16: 2 x 2 x 2 x 2Prime Factors of 60: 2 x 2 x 3 x 5Common factors 2 x 2 = 4
-16 = -(2 x 2 x 2 x 2)
The least common multiple of 16 and 8 is 16. Because 16 is a multiple of 8, it is automatically the LCM of the pair. Another approach: To find the least common multiple, factor each number to its prime factors and then multiply all the factors from the first number with any factors in the second number that are not repeated from the first number. The prime factors of 8 are 2 x 2 x 2. The prime factors of 16 are 2 x 2 x 2 x 2.
2 is a prime so its only factors are 1 and itself.2 x 2 x 2 x 2 = 16
1, -1, 2, -2, 4, -4, 8, -8, 16, -16, 32, -32. Note that two negative numbers multiplied makes a positive number.