Long Multiplication: 20 × 5

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

What is 20 × 5?

Answer

20 × 5 =
100

One partial product: 20 × 5 = 100. 5 × 20 gives the same 100.

20 × 5 in a column

20
×5
100

In the column: product 100.

Step by step: 20 × 5

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 5: 20 × 5 = 100.
    • 0 × 5 = 0. Write 0.
    • 2 × 5 = 10. Write 0 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 100.
  2. Product100

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Recalculate with different values ↑

Products of 20

MultiplicationProduct
10 × 550
11 × 555
12 × 560
13 × 565
14 × 570
15 × 575
16 × 580
17 × 585
18 × 590
19 × 595
20 × 5100
21 × 5105
22 × 5110
23 × 5115
24 × 5120
25 × 5125
26 × 5130
27 × 5135
28 × 5140
29 × 5145

FAQ

What is 20 × 5?

20 × 5 = 100

Is 20 × 5 the same as 5 × 20?

Yes. Multiplication is commutative, so both come to 100. Only the working differs: this page multiplies by 5, which gives a single partial product.

How do you check that 20 × 5 = 100?

Divide the product back by one of the factors: 100 ÷ 5 = 20 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 20 × 5?

There is only one: the multiplier 5 has a single digit, so 20 × 5 = 100 is written straight under the line, with no addition step.

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