Long Multiplication: 17 × 9

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

What is 17 × 9?

Answer

17 × 9 =
153

One partial product: 17 × 9 = 153. 9 × 17 gives the same 153.

17 × 9 in a column

17
×9
153

In the column: product 153.

Step by step: 17 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 17 × 9 = 153.
    • 7 × 9 = 63. Write 3 and carry 6.
    • 1 × 9 = 9, plus the carried 6 makes 15. Write 5 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 153.
  2. Product153

Similar examples to practise

See Also

FAQ

What is 17 × 9?

17 × 9 = 153

Is 17 × 9 the same as 9 × 17?

Yes. Multiplication is commutative, so both come to 153. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 17 × 9 = 153?

Divide the product back by one of the factors: 153 ÷ 9 = 17 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 17 × 9?

There is only one: the multiplier 9 has a single digit, so 17 × 9 = 153 is written straight under the line, with no addition step.