Long Multiplication: 21 × 6

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

What is 21 × 6?

Answer

21 × 6 =
126

One partial product: 21 × 6 = 126. 6 × 21 gives the same 126.

21 × 6 in a column

21
×6
126

In the column: product 126.

Step by step: 21 × 6

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 6: 21 × 6 = 126.
    • 1 × 6 = 6. Write 6.
    • 2 × 6 = 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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Recalculate with different values ↑

Products of 21

MultiplicationProduct
11 × 666
12 × 672
13 × 678
14 × 684
15 × 690
16 × 696
17 × 6102
18 × 6108
19 × 6114
20 × 6120
21 × 6126
22 × 6132
23 × 6138
24 × 6144
25 × 6150
26 × 6156
27 × 6162
28 × 6168
29 × 6174
30 × 6180

FAQ

What is 21 × 6?

21 × 6 = 126

Is 21 × 6 the same as 6 × 21?

Yes. Multiplication is commutative, so both come to 126. Only the working differs: this page multiplies by 6, which gives a single partial product.

How do you check that 21 × 6 = 126?

Divide the product back by one of the factors: 126 ÷ 6 = 21 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 21 × 6?

There is only one: the multiplier 6 has a single digit, so 21 × 6 = 126 is written straight under the line, with no addition step.

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