Long Multiplication: 31 × 7

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

What is 31 × 7?

Answer

31 × 7 =
217

One partial product: 31 × 7 = 217. 7 × 31 gives the same 217.

31 × 7 in a column

31
×7
217

In the column: product 217.

Step by step: 31 × 7

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 7: 31 × 7 = 217.
    • 1 × 7 = 7. Write 7.
    • 3 × 7 = 21. Write 1 and carry 2.
    • No digits are left, so the carried 2 is written in front: the partial product is 217.
  2. Product217

Similar examples to practise

Related Calculations

See Also

Recalculate with different values ↑

Products of 31

MultiplicationProduct
21 × 7147
22 × 7154
23 × 7161
24 × 7168
25 × 7175
26 × 7182
27 × 7189
28 × 7196
29 × 7203
30 × 7210
31 × 7217
32 × 7224
33 × 7231
34 × 7238
35 × 7245
36 × 7252
37 × 7259
38 × 7266
39 × 7273
40 × 7280

FAQ

What is 31 × 7?

31 × 7 = 217

Is 31 × 7 the same as 7 × 31?

Yes. Multiplication is commutative, so both come to 217. Only the working differs: this page multiplies by 7, which gives a single partial product.

How do you check that 31 × 7 = 217?

Divide the product back by one of the factors: 217 ÷ 7 = 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 × 7?

There is only one: the multiplier 7 has a single digit, so 31 × 7 = 217 is written straight under the line, with no addition step.

See Also