Long Multiplication: 840 × 5

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

What is 840 × 5?

Answer

840 × 5 =
4,200

One partial product: 840 × 5 = 4,200. 5 × 840 gives the same 4,200.

840 × 5 in a column

840
×5
4200

In the column: product 4,200.

Step by step: 840 × 5

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 5: 840 × 5 = 4,200.
    • 0 × 5 = 0. Write 0.
    • 4 × 5 = 20. Write 0 and carry 2.
    • 8 × 5 = 40, plus the carried 2 makes 42. Write 2 and carry 4.
    • No digits are left, so the carried 4 is written in front: the partial product is 4,200.
  2. Product4,200

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Recalculate with different values ↑

Products of 840

MultiplicationProduct
740 × 53,700
750 × 53,750
760 × 53,800
770 × 53,850
780 × 53,900
790 × 53,950
800 × 54,000
810 × 54,050
820 × 54,100
830 × 54,150
840 × 54,200
850 × 54,250
860 × 54,300
870 × 54,350
880 × 54,400
890 × 54,450
900 × 54,500
910 × 54,550
920 × 54,600
930 × 54,650

FAQ

What is 840 × 5?

840 × 5 = 4,200

Is 840 × 5 the same as 5 × 840?

Yes. Multiplication is commutative, so both come to 4,200. Only the working differs: this page multiplies by 5, which gives a single partial product.

How do you check that 840 × 5 = 4,200?

Divide the product back by one of the factors: 4,200 ÷ 5 = 840 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 840 × 5?

There is only one: the multiplier 5 has a single digit, so 840 × 5 = 4,200 is written straight under the line, with no addition step.

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