The key point to consider with multiples of 5 is that 10 is divisible by 5. Thus any digits in the tens column or greater are irrelevant. The only possible units figures for a multiple of 5 are 5 and 0. Therefore the one thing multiples of 5 have in common is that they all end in either 5 or 0.
All the multiples of 5 are NOT prime numbers. 5 is a prime number but its multiples are not.
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Well i was doing my homework and i was having trouble with it but the only common numbers i had gotten was 20 and 40.
They're next door neighbors and share a common back yard, but as for factors, their only common number is 1.
12, 24, 36, 48.
Multiples of 30 from 120 to 990
10 is.
30 and 60
The LCM of (5, 6, 7) is 210.