Long Multiplication: 77 × 2

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

What is 77 × 2?

Answer

77 × 2 =
154

One partial product: 77 × 2 = 154. 2 × 77 gives the same 154.

77 × 2 in a column

77
×2
154

In the column: product 154.

Step by step: 77 × 2

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 2: 77 × 2 = 154.
    • 7 × 2 = 14. Write 4 and carry 1.
    • 7 × 2 = 14, plus the carried 1 makes 15. Write 5 and carry 1.
    • No digits are left, so the carried 1 is written in front: the partial product is 154.
  2. Product154

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See Also

Products of 77

FAQ

What is 77 × 2?

77 × 2 = 154

Is 77 × 2 the same as 2 × 77?

Yes. Multiplication is commutative, so both come to 154. Only the working differs: this page multiplies by 2, which gives a single partial product.

How do you check that 77 × 2 = 154?

Divide the product back by one of the factors: 154 ÷ 2 = 77 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 77 × 2?

There is only one: the multiplier 2 has a single digit, so 77 × 2 = 154 is written straight under the line, with no addition step.