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What is the fourth multiple of 3?
The fourth positive multiple of 3 is 12.
How do you multiple negative and positive numbers?
The same as two positive numbers, except the product will be negative.
What is the positives multiples of 2?
2n where n is any positive integer. i.e. when n=1 multiple=2 when n=2 multiple=4 when n=3 multiple=6 etc..
How many positive integers less than 20 are equal to the sum of a positive multiple of 3 and 4?
Two of them. Two of them. Two of them. Two of them.
What does the term greatest common multiple mean?
The term Greatest Common Multiple has no meaning; there is no such thing as a greatest multiple. There are the terms: Lowest Common Multiple (LCM) which is the smallest positive (whole) number which is a multiple of two, or more, numbers. eg LCM(4, 10) = 20 as 20 is the first number greater than 0 which is a multiple of both 4 and 10. Highest Common Factor (HCF), or Greatest Common Factor (GCF) which is the largest positive (whole) number that divides into all the numbers (without remainder); this can also said to be the largest positive number (whole) number which has all the numbers as some multiple of it. eg HCF(25, 60) = 5 since 5 is the highest positive (whole) number which divides into 25 and 60 (without remainder). The Lowest Common Factor of any set of numbers is 1 as 1 is the smallest positive (whole) number and it divides into every other (whole) number without remainder; this is not very useful.
