Long Multiplication: 45 × 7

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

What is 45 × 7?

Answer

45 × 7 =
315

One partial product: 45 × 7 = 315. 7 × 45 gives the same 315.

45 × 7 in a column

45
×7
315

In the column: product 315.

Step by step: 45 × 7

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 7: 45 × 7 = 315.
    • 5 × 7 = 35. Write 5 and carry 3.
    • 4 × 7 = 28, plus the carried 3 makes 31. Write 1 and carry 3.
    • No digits are left, so the carried 3 is written in front: the partial product is 315.
  2. Product315

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Recalculate with different values ↑

Products of 45

MultiplicationProduct
35 × 7245
36 × 7252
37 × 7259
38 × 7266
39 × 7273
40 × 7280
41 × 7287
42 × 7294
43 × 7301
44 × 7308
45 × 7315
46 × 7322
47 × 7329
48 × 7336
49 × 7343
50 × 7350
51 × 7357
52 × 7364
53 × 7371
54 × 7378

FAQ

What is 45 × 7?

45 × 7 = 315

Is 45 × 7 the same as 7 × 45?

Yes. Multiplication is commutative, so both come to 315. Only the working differs: this page multiplies by 7, which gives a single partial product.

How do you check that 45 × 7 = 315?

Divide the product back by one of the factors: 315 ÷ 7 = 45 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 45 × 7?

There is only one: the multiplier 7 has a single digit, so 45 × 7 = 315 is written straight under the line, with no addition step.

See Also