Long Multiplication: 100 × 100

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

What is 100 × 100?

Answer

100 × 100 =
10,000

One partial product: the only non-zero digit of 100 is 1, and it stands for 1 × 100: 100 × 100 = 10,000.

100 × 100 in a column

100
×100
10000

In the column: product 10,000.

Step by step: 100 × 100

  1. Step 1The last digit of the multiplier is 0, so this partial product is 0 and adds nothing to the total.
  2. Step 2The next digit of the multiplier is 0, so this partial product is 0 and adds nothing to the total.
  3. Step 3The next digit of the multiplier is 1, and it stands for 100: 100 × 100 = 10,000.
    • 0 × 1 = 0. Write 0.
    • 0 × 1 = 0. Write 0.
    • 1 × 1 = 1. Write 1.
  4. Product10,000

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Recalculate with different values ↑

Products of 100

MultiplicationProduct
100 × 5500
100 × 6600
100 × 7700
100 × 8800
100 × 9900
100 × 101,000
100 × 111,100
100 × 121,200
100 × 151,500
100 × 161,600
100 × 202,000
100 × 252,500
100 × 303,000
100 × 404,000
100 × 505,000
100 × 606,000
100 × 757,500
100 × 808,000
100 × 909,000
100 × 10010,000

FAQ

What is 100 × 100?

100 × 100 = 10,000

Is 10,000 a square number?

Yes. 100 × 100 = 10,000, so 10,000 is the square of 100. A square is simply a number multiplied by itself, which is why both factors here are the same.

How do you check that 100 × 100 = 10,000?

Divide the product back by one of the factors: 10,000 ÷ 100 = 100 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 100 × 100?

Only one of them counts: every other digit of 100 is a zero and contributes nothing, so the work comes down to 100 × 100 = 10,000, with nothing left to add.

See Also