643 multiplied by 21 is 13503

Explanation: Multiplication is repeated addition. So, 643 × 21 means adding 643, 21 times:

Word Problem Style

If you have 21 boxes and each box contains 643 apples, then the total number of apples is 13503.

Quick Facts

• 643 is called the multiplicand.
• 21 is called the multiplier.
• The result, 13503, is called the product.

Multiplication Table for 643

Explore More Multiplications

• 643 × 22
• 643 × 23
• 643 × 24
• 643 × 25
• 643 × 26
• 644 × 21
• 645 × 21
• 646 × 21
• 647 × 21
• 648 × 21