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118×1038

118 × 1038 equals 122,484. This can be computed by standard multiplication, for example 1038 × 118 = 124,560 − 2,076 = 122,484.

Prime factorization shows the factors clearly: 118 equals 2 × 59, and 1038 equals 2 × 3

The number 122,484 is even and therefore divisible by 2. The sum of its digits is 1

×
173.
Therefore
the
product
118
×
1038
equals
2^2
×
3
×
59
×
173,
which
simplifies
to
122,484.
Both
59
and
173
are
prime
numbers,
making
this
the
prime
factorization
of
the
result.
+
2
+
2
+
4
+
8
+
4
=
21,
so
it
is
divisible
by
3
as
well.
Because
it
is
divisible
by
4
and
by
3,
it
is
divisible
by
12;
indeed
122,484
÷
12
equals
10,207,
which
factors
further
as
59
×
173.
The
factorization
highlights
common
divisors
with
the
original
multiplicands
and
demonstrates
the
relationships
among
the
factors.