1, 2 and 4 are all of them.
6, 8 and 10 are some numbers with four factors.
1 and 2.
4 factors of 3
Four factors.
15 has four factors.
35 has four factors: 1, 5, 7, 35.
Four has only three factors: 1 2 4.
four factors are requrid for society.
Four factors: 1 2 37 74.
Strengths, Weaknesses, Opportunities, Threats
16 does not have four prime factors, only one.
14