Long Multiplication: 30 × 15

Long Multiplication Calculator

What is 30 × 15?

Answer

30 × 15 =

450

2 partial products: 30 × 5 = 150 and 30 × 10 = 300. 15 × 30 gives the same 450.

30 × 15 in a column

		3	0
×		1	5
	1	5	0
+	3	0	0
	4	5	0

Step by step: 30 × 15

Step 1Multiply the multiplicand by the last digit of the multiplier, 5: 30 × 5 = 150.
- 0 × 5 = 0. Write 0.
- 3 × 5 = 15. Write 5 and carry 1.
- No digits are left, so the carried 1 is written in front: the partial product is 150.
Step 2The next digit of the multiplier is 1, and it stands for 10: 30 × 10 = 300.
- 0 × 1 = 0. Write 0.
- 3 × 1 = 3. Write 3.
Sum of the partial products150 + 300 = 450

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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 30

Multiplication	Product
30 × 2	60
30 × 3	90
30 × 4	120
30 × 5	150
30 × 6	180
30 × 7	210
30 × 8	240
30 × 9	270
30 × 10	300
30 × 11	330
30 × 12	360
30 × 15	450
30 × 16	480
30 × 20	600
30 × 25	750
30 × 30	900

FAQ

What is 30 × 15?

30 × 15 = 450

Is 30 × 15 the same as 15 × 30?

Yes. Multiplication is commutative, so both come to 450. Only the working differs: this page multiplies by 15, which gives 2 partial products.

How do you check that 30 × 15 = 450?

Divide the product back by one of the factors: 450 ÷ 15 = 30 exactly, with no remainder. Multiplication and division undo each other, which is what makes this check work.

What are the partial products of 30 × 15?

They are 150 + 300, and adding them gives 450.

See Also