Long Multiplication: 42 × 4

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

What is 42 × 4?

Answer

42 × 4 =
168

One partial product: 42 × 4 = 168. 4 × 42 gives the same 168.

42 × 4 in a column

42
×4
168

In the column: product 168.

Step by step: 42 × 4

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 4: 42 × 4 = 168.
    • 2 × 4 = 8. Write 8.
    • 4 × 4 = 16. Write 6 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 168.
  2. Product168

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Recalculate with different values ↑

Products of 42

MultiplicationProduct
32 × 4128
33 × 4132
34 × 4136
35 × 4140
36 × 4144
37 × 4148
38 × 4152
39 × 4156
40 × 4160
41 × 4164
42 × 4168
43 × 4172
44 × 4176
45 × 4180
46 × 4184
47 × 4188
48 × 4192
49 × 4196
50 × 4200
51 × 4204

FAQ

What is 42 × 4?

42 × 4 = 168

Is 42 × 4 the same as 4 × 42?

Yes. Multiplication is commutative, so both come to 168. Only the working differs: this page multiplies by 4, which gives a single partial product.

How do you check that 42 × 4 = 168?

Divide the product back by one of the factors: 168 ÷ 4 = 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 × 4?

There is only one: the multiplier 4 has a single digit, so 42 × 4 = 168 is written straight under the line, with no addition step.

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