Multiples are basically skip counting... to skip count you can add the number together, then keep adding the same number...
Your Answer:
5: 5, 20, 15, 20, 25...
7: 7, 14, 21, 28, 35...
8: 16, 24, 32, 40, 48...
:) Glad i could help,
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what multiples do 7,5 and 9 have that are the same
The common multiples of 7, 8, and 8 are the infinite set that includes any multiple of 56. The common multiples are thus 56, 112, 168, 224, 280, and so on.
8 and 9 are corpime, so their first common multiple is their product. The next common multiples are simply the multiples of that first multiple.The first three common multiples are therefore 72, 144 and 216.
35 and 70 both have 7 and 5 as prime factors
the first 7 multiples of 8 are 8 16 24 32 40 48 56.