5 is a Prime number and has no factors other than 1 and 5. Factors of 9 are 1, 3, 9. 5 and 9 have no common factors other than 1.
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Factors of 45: 1, 3, 5, 9, 15, 45 Factors of 18: 1, 2, 3, 6, 9, 18 Common Factors: 1, 3, 9
all except 9
The integers that divide into them evenly (without remainder). ================================ Another contributor was impressed: Wonderful! Factors of 15 are 1, 3, 5, 15. Factors of 9 are 1, 3, and 9.
The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 45 are 1, 3, 5, 9, 15, and 45.3,5,15
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