Primes Factors

Random Science or Numbers Quiz

Can you name the largest prime factor in each number?

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NumberLargest Prime Factor
131
139
127
177
197
109
137
173
209
101
171
NumberLargest Prime Factor
193
147
161
123
129
113
199
97
107
179
153
NumberLargest Prime Factor
207
93
163
141
191
133
181
203
157
189
159
NumberLargest Prime Factor
151
143
91
117
183
103
187
201
149
167
119

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Created Oct 30, 2009Editor's PickReportNominate
Tags:Numbers, factor, largest, prime