What is 2 × 1?
"Multiplication Facts" Calculator
What is 2 × 1?
Answer
2 × 1 = 2
2 × 1 = 2 — one of the 45 multiplication facts that the times tables hold. Below: the two divisions that undo it and the row it sits in.
Where the Answer Comes From
Multiplying by 1 leaves a number exactly as it was, so 2 × 1 is 2 without any adding at all. That property is why one is called the identity for multiplication.
The Factors Can Be Swapped
1 × 2 comes to the same 2, because multiplication is commutative. The two are read differently — 2 × 1 is 1 lot of 2, 1 × 2 is 2 lots of 1 — and that is what makes swapping them a way to check the answer rather than a restatement of it.
1 × 2 = 2
The Divisions That Undo It
Where It Sits in the Tables
The same fact appears in two rows of the grid — in the 2 times table and in the 1 times table. Knowing one row therefore covers part of the other.
See Also
- Times Table Chart - Any number from 1 to 100, rows from ×1 to ×12
- Long Multiplication Calculator - Column multiplication with partial products, step by step
- Long Division Calculator - Step-by-step long division with detailed explanation
- Factors of a Number - List all Factors and Factor Pairs of a Number
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The 2 times table row
About "Multiplication Facts" Calculator
Multiplying by one is the case where nothing is added at all: the other number is already the answer. Enter two numbers from 1 to 9 (e.g. '2' and '1') to get the product, how it is built, the two divisions that undo it and the table row it belongs to.