Six factors.
49 has one distinct prime factor, two altogether.
Two: 1 and 97.
Yes.Yes.Yes.Yes.
The factors of 9 are: 1, 3, 9 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 63 are 1, 3, 7, 9, 21, and 63. Pick two.
1, 3, 7, 9, 21, 63.
1 3 7 9 21 63.
1 3 7 9 21 63.
There can be infinitely many distinct factors.
Six distinct factors Two distinct prime factors
All odd numbers with one or two distinct prime factors are deficient. Since 3 and 7 are factors of 63, it must be deficient.
The 6 factors of 63 are 1, 3, 7, 9, 21, and 63. The factor pairs of 63 are 1 x 63, 3 x 21, and 7 x 9. The proper factors of 63 are 1, 3, 7, 9, and 21; possibly not 1, depending on your definition. The prime factors of 63 are 3, 3, and 7. The 2 distinct prime factors of 63 are 3 and 7.
Twelve distinct factors.
Seven distinct factors.
Three distinct prime factors.
The distinct prime factors of 70 are 2, 5, and 7, so it has three distinct prime factors.
49 has one distinct prime factor, two altogether.