An=A¹+(n-1)d
300=200+(n-1)4
300-200=4n-4
100+4=4n
¼(104=4n)
26=n
An=A¹+(n-1)d
300=200+(n-1)10
300-200=10n-10
100+10=10n
⅒(110=10n)
11=n
Find the least common multiple of (4,10)
4 8 12 20 24
10 20 30
LCM=20
Then we are going to find the numbers between 200 and 300 that are divisible by 20.
200, 220, 240, 260, 280, 300
We have 6 numbers
26+11=37-6= 31
The answer is 31
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31
No.
18,321 is divisible by: 3, 31, 93, 197, 591, 6107.
197 is a prime number; it isn't divisible by any number besides 1 and itself.
2 x 394 and 4 x 197