12,13,14
21,23,24
31,32,34
43,42,41
12 two-digit numbers
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To find how many three-digit numbers are multiples of 20, we need to determine the range of three-digit numbers divisible by 20. The smallest three-digit number divisible by 20 is 100, and the largest is 980. To find the count of numbers in this range, we can divide the largest number by 20 and subtract the result of dividing the smallest number by 20, then add 1 to account for the inclusive range. Therefore, the number of three-digit multiples of 20 is (980/20) - (100/20) + 1 = 49 - 5 + 1 = 45.
The common fctor of 8 and 29 is 1.
1, 3, 7, 9
No, it does not. The only single-digit numbers that do are: 1, 2, 4, 5, 8.
Every number has 1 as a factor.