7 is a Prime number. The only factors of a prime number are 1 and itself, so 7 only has two factors.
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Just multiply the first five prime numbers! 2x3x5x7x11 = 6x35x11 = 210x11 = 2310. Any multiple of this number "has the first five prime numbers as factors", but 2310 is the smallest such number.
Any three-digit multiple of 60, from 120 to 960, has the first five counting numbers as factors.
There are only three factors of 49, which are 1, 7, and 49. There are only two prime factors of 49, which are 7 and 7. There is only one distinct prime factor of 49, which is 7. There are not ten factors of 49.
The factors of 15 are:1, 3, 5, 15The factors of 35 are:1, 5, 7, 35The common factors are: 1, 5
twelve and minus five 12 x -5 = -60 12 - 5 = 7