Yes.
987 is a composite number that is a multiple of 3.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 987 is composite.
No: -987-987=-1974 However, 987-987=0, -987+987=0
987 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 8 factors of 987 are 1, 3, 7, 21, 47, 141, 329, and 987.The factor pairs of 987 are 1 x 987, 3 x 329, 7 x 141, and 21 x 47.The proper factors of 987 are 1, 3, 7, 21, 47, 141, and 329 or,if the definition you are using excludes 1, they are 3, 7, 21, 47, 141, and 329.The prime factors of 987 are 3, 7, and 47.The distinct prime factors of 987 are also 3, 7, and 47, since there is no repetition of factors.The prime factorization of 987 is 3 x 7 x 47.
1,974
987 is rounded to 990
15% of $987.00= 15% * 987= 0.15 * 987= $148.05
1063
267 + 987 = 1254
992
1007
9 * 987 = 8,883