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    Long Multiplication: 31 × 9

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

    What is 31 × 9?

    Answer

    31 × 9 =
    279

    One partial product: 31 × 9 = 279. 9 × 31 gives the same 279.

    31 × 9 in a column

    31
    ×9
    279

    In the column: product 279.

    Step by step: 31 × 9

    1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 31 × 9 = 279.
      • 1 × 9 = 9. Write 9.
      • 3 × 9 = 27. Write 7 and carry 2.
      • No digits are left, so the carried 2 is written in front: the partial product is 279.
    2. Product279

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    31 × 9 = 279 - Long Multiplication. 31 × 9 = 279. 9 × 31 gives the same product. Long multiplication step by step: every carry, every partial product and the final sum.
    https://calculat.io/en/number/long-multiplication/31--9/generated.jpgCopy

    Products of 31

    MultiplicationProduct
    21 × 9189
    22 × 9198
    23 × 9207
    24 × 9216
    25 × 9225
    26 × 9234
    27 × 9243
    28 × 9252
    29 × 9261
    30 × 9270
    31 × 9279
    32 × 9288
    33 × 9297
    34 × 9306
    35 × 9315
    36 × 9324
    37 × 9333
    38 × 9342
    39 × 9351
    40 × 9360
    Recalculate with different values ↑

    FAQ

    What is 31 × 9?

    31 × 9 = 279

    Is 31 × 9 the same as 9 × 31?

    Yes. Multiplication is commutative, so both come to 279. Only the working differs: this page multiplies by 9, which gives a single partial product.

    How do you check that 31 × 9 = 279?

    Divide the product back by one of the factors: 279 ÷ 9 = 31 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 31 × 9?

    There is only one: the multiplier 9 has a single digit, so 31 × 9 = 279 is written straight under the line, with no addition step.

    See Also