Long Multiplication: 31 × 5

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

What is 31 × 5?

Answer

31 × 5 =
155

One partial product: 31 × 5 = 155. 5 × 31 gives the same 155.

31 × 5 in a column

31
×5
155

In the column: product 155.

Step by step: 31 × 5

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 5: 31 × 5 = 155.
    • 1 × 5 = 5. Write 5.
    • 3 × 5 = 15. Write 5 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 155.
  2. Product155

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Recalculate with different values ↑

Products of 31

MultiplicationProduct
21 × 5105
22 × 5110
23 × 5115
24 × 5120
25 × 5125
26 × 5130
27 × 5135
28 × 5140
29 × 5145
30 × 5150
31 × 5155
32 × 5160
33 × 5165
34 × 5170
35 × 5175
36 × 5180
37 × 5185
38 × 5190
39 × 5195
40 × 5200

FAQ

What is 31 × 5?

31 × 5 = 155

Is 31 × 5 the same as 5 × 31?

Yes. Multiplication is commutative, so both come to 155. Only the working differs: this page multiplies by 5, which gives a single partial product.

How do you check that 31 × 5 = 155?

Divide the product back by one of the factors: 155 ÷ 5 = 31 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 31 × 5?

There is only one: the multiplier 5 has a single digit, so 31 × 5 = 155 is written straight under the line, with no addition step.

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