Long Multiplication: 20 × 7

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

What is 20 × 7?

Answer

20 × 7 =
140

One partial product: 20 × 7 = 140. 7 × 20 gives the same 140.

20 × 7 in a column

20
×7
140

In the column: product 140.

Step by step: 20 × 7

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 7: 20 × 7 = 140.
    • 0 × 7 = 0. Write 0.
    • 2 × 7 = 14. Write 4 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 140.
  2. Product140

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Recalculate with different values ↑

Products of 20

MultiplicationProduct
10 × 770
11 × 777
12 × 784
13 × 791
14 × 798
15 × 7105
16 × 7112
17 × 7119
18 × 7126
19 × 7133
20 × 7140
21 × 7147
22 × 7154
23 × 7161
24 × 7168
25 × 7175
26 × 7182
27 × 7189
28 × 7196
29 × 7203

FAQ

What is 20 × 7?

20 × 7 = 140

Is 20 × 7 the same as 7 × 20?

Yes. Multiplication is commutative, so both come to 140. Only the working differs: this page multiplies by 7, which gives a single partial product.

How do you check that 20 × 7 = 140?

Divide the product back by one of the factors: 140 ÷ 7 = 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 × 7?

There is only one: the multiplier 7 has a single digit, so 20 × 7 = 140 is written straight under the line, with no addition step.

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