Sunspots are a cyclical phenomena. The lowest would be zero.
On July 14, 2007, the Sunspot number was 38. This was late in Solar Cycle 23. You can see the daily sunspot number and interesting astronomical phenomena at spaceweather.com.
11 years
You shouldn't be posting your homework questions on WikiAnswers; especially not when the question does not include the relevant information. You can see the daily sunspot numbers on http://www.spaceweather.com.
http://en.wikipedia.org/wiki/Sunspot_cycle The definition for sunspot cycle is "the recurring increase and decrease in the number of sunspots over a period averaging about eleven years."
Prominence Sunspot in 1945
Sunspot activity increases and decreases with a frequency of about eleven years from peak to peak, so there are about five and a half years from a period of highest sunspot activity to a period of lowest sunspot activity. The last peak was in 2001, so the next peak is expected in 2012.
Sunspot maximum and sunspot minimum are the points in time (roughly 6 years apart) when the sun is producing the most, or the least sunspots. In the past this has been measured both by sunspot area and sunspot count and is directly tied to the solar magnetic cycle.
one is the lowest number
The solar phenomenon that wouldn't be expected to increase with an increase in sunspot number is the solar wind speed. Sunspot number correlates with solar activity and can affect phenomena like solar flares and coronal mass ejections, but the solar wind speed is more influenced by other factors like the temperature and density of the solar wind source regions.
2 is the lowest prime number.
A sunspot is a dark area on the Sun's surface that is cooler than surrounding areas, resulting from complex magnetic activity. The number of sunspots on the Sun's surface varies over an 11-year cycle known as the solar cycle. This cycle is characterized by periods of high sunspot activity (solar maximum) and periods of low activity (solar minimum).
The sunspot cycle is an approximately 11-year periodic variation in sunspot number on the Sun. It is characterized by a rise in sunspot activity leading to a peak, followed by a decline in activity to a minimum, and then the cycle repeats. Sunspots are dark regions on the Sun's surface caused by its magnetic field, and the cycle is linked to changes in solar activity and space weather.