Long Multiplication: 420 × 7

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

What is 420 × 7?

Answer

420 × 7 =
2,940

One partial product: 420 × 7 = 2,940. 7 × 420 gives the same 2,940.

420 × 7 in a column

420
×7
2940

In the column: product 2,940.

Step by step: 420 × 7

  1. Step 1Multiply the multiplicand by the last digit of the multiplier, 7: 420 × 7 = 2,940.
    • 0 × 7 = 0. Write 0.
    • 2 × 7 = 14. Write 4 and carry 1.
    • 4 × 7 = 28, plus the carried 1 makes 29. Write 9 and carry 2.
    • No digits are left, so the carried 2 is written in front: the partial product is 2,940.
  2. Product2,940

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Recalculate with different values ↑

Products of 420

MultiplicationProduct
320 × 72,240
330 × 72,310
340 × 72,380
350 × 72,450
360 × 72,520
370 × 72,590
380 × 72,660
390 × 72,730
400 × 72,800
410 × 72,870
420 × 72,940
430 × 73,010
440 × 73,080
450 × 73,150
460 × 73,220
470 × 73,290
480 × 73,360
490 × 73,430
500 × 73,500
510 × 73,570

FAQ

What is 420 × 7?

420 × 7 = 2,940

Is 420 × 7 the same as 7 × 420?

Yes. Multiplication is commutative, so both come to 2,940. Only the working differs: this page multiplies by 7, which gives a single partial product.

How do you check that 420 × 7 = 2,940?

Divide the product back by one of the factors: 2,940 ÷ 7 = 420 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 420 × 7?

There is only one: the multiplier 7 has a single digit, so 420 × 7 = 2,940 is written straight under the line, with no addition step.

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