Step-by-step explanation:
25. Least common multiple = smallest multiple common to the given numbers
26. prime numbers = numbers with only 2 factors except 1
27. product of a number multiplied by a whole number is always a whole number if the other number is also a whole number.
28. composite numbers are numbers with more than 2 factors
29. greatest common factor is the biggest common factor of numbers common to the given numbers.
30. the multiplier = the number which we multiply to get a product
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