The LCM is 504
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6*9=54 so they both go into it evenly, but the lowest number is 18.
71 ÷ 9 = 7 with remainder 8
It is 7 because it is a prime number
one. its the only number.
7 and 9 are both divisible by one. 7 and 9 are both prime numbers, meaning the factors are 1 and themselves. The factors of 7 are 1 and 7. The factors of 9 are 1 and 9.