Long Multiplication: 40 × 16

Long Multiplication Calculator

What is 40 × 16?

Answer

40 × 16 =

640

2 partial products: 40 × 6 = 240 and 40 × 10 = 400. 16 × 40 gives the same 640.

40 × 16 in a column

		4	0
×		1	6
	2	4	0
+	4	0	0
	6	4	0

Step by step: 40 × 16

Step 1Multiply the multiplicand by the last digit of the multiplier, 6: 40 × 6 = 240.
- 0 × 6 = 0. Write 0.
- 4 × 6 = 24. Write 4 and carry 2.
- No digits are left, so the carried 2 is written in front: the partial product is 240.
Step 2The next digit of the multiplier is 1, and it stands for 10: 40 × 10 = 400.
- 0 × 1 = 0. Write 0.
- 4 × 1 = 4. Write 4.
Sum of the partial products240 + 400 = 640

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See Also

Times Table Chart - Any number from 1 to 100, rows from ×1 to ×12
Long Division Calculator - Step-by-step long division with detailed explanation
Multiplying Fractions Calculator - Multiply fractions, mixed numbers and whole numbers step by step
Factors of a Number - List all Factors and Factor Pairs of a Number
Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers

Recalculate with different values ↑

Products of 40

Multiplication	Product
40 × 2	80
40 × 3	120
40 × 4	160
40 × 5	200
40 × 6	240
40 × 7	280
40 × 8	320
40 × 9	360
40 × 10	400
40 × 11	440
40 × 12	480
40 × 15	600
40 × 16	640
40 × 20	800
40 × 25	1,000
40 × 30	1,200
40 × 40	1,600

FAQ

What is 40 × 16?

40 × 16 = 640

Is 40 × 16 the same as 16 × 40?

Yes. Multiplication is commutative, so both come to 640. Only the working differs: this page multiplies by 16, which gives 2 partial products.

How do you check that 40 × 16 = 640?

Divide the product back by one of the factors: 640 ÷ 16 = 40 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 40 × 16?

They are 240 + 400, and adding them gives 640.

See Also