Long Multiplication: 80 × 5

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

What is 80 × 5?

Answer

80 × 5 =
400

One partial product: 80 × 5 = 400. 5 × 80 gives the same 400.

80 × 5 in a column

80
×5
400

In the column: product 400.

Step by step: 80 × 5

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 5: 80 × 5 = 400.
    • 0 × 5 = 0. Write 0.
    • 8 × 5 = 40. Write 0 and carry 4.
    • No digits are left, so the carried 4 is written in front: the partial product is 400.
  2. Product400

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Products of 80

MultiplicationProduct
70 × 5350
71 × 5355
72 × 5360
73 × 5365
74 × 5370
75 × 5375
76 × 5380
77 × 5385
78 × 5390
79 × 5395
80 × 5400
81 × 5405
82 × 5410
83 × 5415
84 × 5420
85 × 5425
86 × 5430
87 × 5435
88 × 5440
89 × 5445

FAQ

What is 80 × 5?

80 × 5 = 400

Is 80 × 5 the same as 5 × 80?

Yes. Multiplication is commutative, so both come to 400. Only the working differs: this page multiplies by 5, which gives a single partial product.

How do you check that 80 × 5 = 400?

Divide the product back by one of the factors: 400 ÷ 5 = 80 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 80 × 5?

There is only one: the multiplier 5 has a single digit, so 80 × 5 = 400 is written straight under the line, with no addition step.

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