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    Long Multiplication: 45 × 4

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

    What is 45 × 4?

    Answer

    45 × 4 =
    180

    One partial product: 45 × 4 = 180. 4 × 45 gives the same 180.

    45 × 4 in a column

    45
    ×4
    180

    In the column: product 180.

    Step by step: 45 × 4

    1. Step 1Multiply the multiplicand by the last digit of the multiplier, 4: 45 × 4 = 180.
      • 5 × 4 = 20. Write 0 and carry 2.
      • 4 × 4 = 16, plus the carried 2 makes 18. Write 8 and carry 1.
      • No digits are left, so the carried 1 is written in front: the partial product is 180.
    2. Product180

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    45 × 4 = 180 - Long Multiplication. 45 × 4 = 180. 4 × 45 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/45--4/generated.jpgCopy

    Products of 45

    MultiplicationProduct
    35 × 4140
    36 × 4144
    37 × 4148
    38 × 4152
    39 × 4156
    40 × 4160
    41 × 4164
    42 × 4168
    43 × 4172
    44 × 4176
    45 × 4180
    46 × 4184
    47 × 4188
    48 × 4192
    49 × 4196
    50 × 4200
    51 × 4204
    52 × 4208
    53 × 4212
    54 × 4216
    Recalculate with different values ↑

    FAQ

    What is 45 × 4?

    45 × 4 = 180

    Is 45 × 4 the same as 4 × 45?

    Yes. Multiplication is commutative, so both come to 180. Only the working differs: this page multiplies by 4, which gives a single partial product.

    How do you check that 45 × 4 = 180?

    Divide the product back by one of the factors: 180 ÷ 4 = 45 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

    What are the partial products of 45 × 4?

    There is only one: the multiplier 4 has a single digit, so 45 × 4 = 180 is written straight under the line, with no addition step.

    See Also