Long Multiplication: 80 × 8

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

What is 80 × 8?

Answer

80 × 8 =
640

One partial product: 80 × 8 = 640. 8 × 80 gives the same 640.

80 × 8 in a column

80
×8
640

In the column: product 640.

Step by step: 80 × 8

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 8: 80 × 8 = 640.
    • 0 × 8 = 0. Write 0.
    • 8 × 8 = 64. Write 4 and carry 6.
    • No digits are left, so the carried 6 is written in front: the partial product is 640.
  2. Product640

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Recalculate with different values ↑

Products of 80

MultiplicationProduct
70 × 8560
71 × 8568
72 × 8576
73 × 8584
74 × 8592
75 × 8600
76 × 8608
77 × 8616
78 × 8624
79 × 8632
80 × 8640
81 × 8648
82 × 8656
83 × 8664
84 × 8672
85 × 8680
86 × 8688
87 × 8696
88 × 8704
89 × 8712

FAQ

What is 80 × 8?

80 × 8 = 640

Is 80 × 8 the same as 8 × 80?

Yes. Multiplication is commutative, so both come to 640. Only the working differs: this page multiplies by 8, which gives a single partial product.

How do you check that 80 × 8 = 640?

Divide the product back by one of the factors: 640 ÷ 8 = 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 × 8?

There is only one: the multiplier 8 has a single digit, so 80 × 8 = 640 is written straight under the line, with no addition step.

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