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    Long Multiplication: 15 × 3

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

    What is 15 × 3?

    Answer

    15 × 3 =
    45

    One partial product: 15 × 3 = 45. 3 × 15 gives the same 45.

    15 × 3 in a column

    15
    ×3
    45

    In the column: product 45.

    Step by step: 15 × 3

    1. Step 1Multiply the multiplicand by the last digit of the multiplier, 3: 15 × 3 = 45.
      • 5 × 3 = 15. Write 5 and carry 1.
      • 1 × 3 = 3, plus the carried 1 makes 4. Write 4.
    2. Product45

    Similar examples to practise

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    15 × 3 = 45 - Long Multiplication. 15 × 3 = 45. 3 × 15 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/15--3/generated.jpgCopy

    Products of 15

    MultiplicationProduct
    10 × 330
    11 × 333
    12 × 336
    13 × 339
    14 × 342
    15 × 345
    16 × 348
    17 × 351
    18 × 354
    19 × 357
    20 × 360
    21 × 363
    22 × 366
    23 × 369
    24 × 372
    25 × 375
    26 × 378
    27 × 381
    28 × 384
    29 × 387
    Recalculate with different values ↑

    FAQ

    What is 15 × 3?

    15 × 3 = 45

    Is 15 × 3 the same as 3 × 15?

    Yes. Multiplication is commutative, so both come to 45. Only the working differs: this page multiplies by 3, which gives a single partial product.

    How do you check that 15 × 3 = 45?

    Divide the product back by one of the factors: 45 ÷ 3 = 15 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 15 × 3?

    There is only one: the multiplier 3 has a single digit, so 15 × 3 = 45 is written straight under the line, with no addition step.

    See Also