Long Multiplication: 72 × 9

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

What is 72 × 9?

Answer

72 × 9 =
648

One partial product: 72 × 9 = 648. 9 × 72 gives the same 648.

72 × 9 in a column

72
×9
648

In the column: product 648.

Step by step: 72 × 9

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 9: 72 × 9 = 648.
    • 2 × 9 = 18. Write 8 and carry 1.
    • 7 × 9 = 63, plus the carried 1 makes 64. Write 4 and carry 6.
    • No digits are left, so the carried 6 is written in front: the partial product is 648.
  2. Product648

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Recalculate with different values ↑

Products of 72

MultiplicationProduct
62 × 9558
63 × 9567
64 × 9576
65 × 9585
66 × 9594
67 × 9603
68 × 9612
69 × 9621
70 × 9630
71 × 9639
72 × 9648
73 × 9657
74 × 9666
75 × 9675
76 × 9684
77 × 9693
78 × 9702
79 × 9711
80 × 9720
81 × 9729

FAQ

What is 72 × 9?

72 × 9 = 648

Is 72 × 9 the same as 9 × 72?

Yes. Multiplication is commutative, so both come to 648. Only the working differs: this page multiplies by 9, which gives a single partial product.

How do you check that 72 × 9 = 648?

Divide the product back by one of the factors: 648 ÷ 9 = 72 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 72 × 9?

There is only one: the multiplier 9 has a single digit, so 72 × 9 = 648 is written straight under the line, with no addition step.

See Also