Long Multiplication: 42 × 3

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

What is 42 × 3?

Answer

42 × 3 =
126

One partial product: 42 × 3 = 126. 3 × 42 gives the same 126.

42 × 3 in a column

42
×3
126

In the column: product 126.

Step by step: 42 × 3

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 3: 42 × 3 = 126.
    • 2 × 3 = 6. Write 6.
    • 4 × 3 = 12. Write 2 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 126.
  2. Product126

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See Also

FAQ

What is 42 × 3?

42 × 3 = 126

Is 42 × 3 the same as 3 × 42?

Yes. Multiplication is commutative, so both come to 126. Only the working differs: this page multiplies by 3, which gives a single partial product.

How do you check that 42 × 3 = 126?

Divide the product back by one of the factors: 126 ÷ 3 = 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 × 3?

There is only one: the multiplier 3 has a single digit, so 42 × 3 = 126 is written straight under the line, with no addition step.