No, a GCF is not always great than one. For example the GCF of 7 and 3 is 1.
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Yes, the least common multiple of two numbers is always divisible by those numbers' greatest common factor.
The least common multiple of two numbers is always greater than or equal to the largest of the numbers. Examples:lcm(12, 6) = 12 (equal to the largest number)lcm(18, 12) = 36 (greater than the largest number)
The greatest common factor of two numbers has to show up on the lists of factors of both numbers.
The least common factor for two numbers is always one. The least common multiple for two numbers which have no common factors greater than one is their product.
300 and 330