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The longest factor string for 840 is its prime factorization because prime factors can't be broken down any further.

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Q: What are the longest factor string for 840 and explain why?

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7*5*4*3*2 Is the longest factor string of 840

You will know because all of the numbers are prime.

2 x 2 x 2 x 3 x 5 x 7

2 x 2 x 2 x 3 x 5 x 7

36 of them.

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the longest factor string for 840 is: 2x2x2x3x5x7. I hoped that helped m! Have a good rest of your day!

7*5*4*3*2 Is the longest factor string of 840

7x2x3x2x2x5=840

You will know because all of the numbers are prime.

2 x 2 x 2 x 3 x 5 x 7

2 x 2 x 2 x 3 x 5 x 7

36 of them.

32 is not a factor of 840.

2 x 2 x 2 x 3 x 5 x 7

actually 7 is a factor of 840, because when you divide 7 into 840 you get 120 with no remainders therefore making it a factor of 840.🤡

2 x 2 x 2 x 3 x 5 x 7