Chat with our AI personalities
4 has 3 factors (1,2,4) 9 has 3 factors (1,3,9) 25 has 3 factors (1,5,25) 100 has 9 factors (1,2,4,5,10,20,25,50,100)
four factors: 1, 3, 7, 21
2 and 3
27 and 57 have two common factors: 1, 3.
The prime factorization of 420 is: 2 × 2 × 3 × 5 × 7