Long Multiplication: 42 × 2

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

What is 42 × 2?

Answer

42 × 2 =
84

One partial product: 42 × 2 = 84. 2 × 42 gives the same 84.

42 × 2 in a column

42
×2
84

In the column: product 84.

Step by step: 42 × 2

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 2: 42 × 2 = 84.
    • 2 × 2 = 4. Write 4.
    • 4 × 2 = 8. Write 8.
  2. Product84

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Recalculate with different values ↑

Products of 42

MultiplicationProduct
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
50 × 2100
51 × 2102

FAQ

What is 42 × 2?

42 × 2 = 84

Is 42 × 2 the same as 2 × 42?

Yes. Multiplication is commutative, so both come to 84. Only the working differs: this page multiplies by 2, which gives a single partial product.

How do you check that 42 × 2 = 84?

Divide the product back by one of the factors: 84 ÷ 2 = 42 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 42 × 2?

There is only one: the multiplier 2 has a single digit, so 42 × 2 = 84 is written straight under the line, with no addition step.

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