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Is 4 a factor of 1,671,349? How do you know without multiplying or dividing?

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Answer to a math question Is 4 a factor of 1,671,349? How do you know without multiplying or dividing?

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Adonis
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95 Answers
1. Identify the last two digits of the number 1,671,349: 49.
2. Check if 49 is divisible by 4:
49 \div 4 = 12.25
Since 12.25 is not an integer, 49 is not divisible by 4.
3. Conclude that 1,671,349 is not divisible by 4.

Answer: 4 is not a factor of 1,671,349.

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