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    Long Multiplication: 15 × 7

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

    What is 15 × 7?

    Answer

    15 × 7 =
    105

    One partial product: 15 × 7 = 105. 7 × 15 gives the same 105.

    15 × 7 in a column

    15
    ×7
    105

    In the column: product 105.

    Step by step: 15 × 7

    1. Step 1Multiply the multiplicand by the last digit of the multiplier, 7: 15 × 7 = 105.
      • 5 × 7 = 35. Write 5 and carry 3.
      • 1 × 7 = 7, plus the carried 3 makes 10. Write 0 and carry 1.
      • No digits are left, so the carried 1 is written in front: the partial product is 105.
    2. Product105

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    15 × 7 = 105 - Long Multiplication. 15 × 7 = 105. 7 × 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--7/generated.jpgCopy

    FAQ

    What is 15 × 7?

    15 × 7 = 105

    Is 15 × 7 the same as 7 × 15?

    Yes. Multiplication is commutative, so both come to 105. Only the working differs: this page multiplies by 7, which gives a single partial product.

    How do you check that 15 × 7 = 105?

    Divide the product back by one of the factors: 105 ÷ 7 = 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 × 7?

    There is only one: the multiplier 7 has a single digit, so 15 × 7 = 105 is written straight under the line, with no addition step.