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The factors of 90 are:

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

The factors of 324 are:

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324

The common factors are:

1, 2, 3, 6, 9, 18

The Greatest Common Factor:

GCF = 18

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8y ago
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12y ago

2 x 3 x 3 x 5 = 90

2 x 2 x 3 x 3 x 3 x 3 = 324

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Wiki User

11y ago
  • Factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
  • Factors of 315: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
  • GCF (90, 315) = 45
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8y ago

The GCF is 18.

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8y ago

The GCF is 45.

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Q: What is the greatest common factor of 90 and 315?
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