Long Multiplication: 40 × 2

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

What is 40 × 2?

Answer

40 × 2 =
80

One partial product: 40 × 2 = 80. 2 × 40 gives the same 80.

40 × 2 in a column

40
×2
80

In the column: product 80.

Step by step: 40 × 2

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 2: 40 × 2 = 80.
    • 0 × 2 = 0. Write 0.
    • 4 × 2 = 8. Write 8.
  2. Product80

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Recalculate with different values ↑

Products of 40

MultiplicationProduct
30 × 260
31 × 262
32 × 264
33 × 266
34 × 268
35 × 270
36 × 272
37 × 274
38 × 276
39 × 278
40 × 280
41 × 282
42 × 284
43 × 286
44 × 288
45 × 290
46 × 292
47 × 294
48 × 296
49 × 298

FAQ

What is 40 × 2?

40 × 2 = 80

Is 40 × 2 the same as 2 × 40?

Yes. Multiplication is commutative, so both come to 80. Only the working differs: this page multiplies by 2, which gives a single partial product.

How do you check that 40 × 2 = 80?

Divide the product back by one of the factors: 80 ÷ 2 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 40 × 2?

There is only one: the multiplier 2 has a single digit, so 40 × 2 = 80 is written straight under the line, with no addition step.

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