17 multiplied by 21 is 357

Explanation: Multiplication is repeated addition. So, 17 × 21 means adding 17, 21 times:

Word Problem Style

If you have 21 boxes and each box contains 17 apples, then the total number of apples is 357.

Quick Facts

• 17 is called the multiplicand.
• 21 is called the multiplier.
• The result, 357, is called the product.

Multiplication Table for 17

Explore More Multiplications

• 17 × 22
• 17 × 23
• 17 × 24
• 17 × 25
• 17 × 26
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• 22 × 21