Long Multiplication: 19 × 9

Long Multiplication Calculator
Multiplicand (number to be multiplied)
Multiplier (number to multiply by)

What is 19 × 9?

Answer

19 × 9 =
171

One partial product: 19 × 9 = 171. 9 × 19 gives the same 171.

19 × 9 in a column

19
×9
171

In the column: product 171.

Step by step: 19 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 19 × 9 = 171.
    • 9 × 9 = 81. Write 1 and carry 8.
    • 1 × 9 = 9, plus the carried 8 makes 17. Write 7 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 171.
  2. Product171

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See Also

FAQ

What is 19 × 9?

19 × 9 = 171

Is 19 × 9 the same as 9 × 19?

Yes. Multiplication is commutative, so both come to 171. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 19 × 9 = 171?

Divide the product back by one of the factors: 171 ÷ 9 = 19 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 19 × 9?

There is only one: the multiplier 9 has a single digit, so 19 × 9 = 171 is written straight under the line, with no addition step.