Factors of Numbers from 81 to 90

The numbers $1, 2, 3, 4, 5, 6, 7, 8, 9$ and $10$ are the natural numbers, and the numbers from $1$ to $10$ can be expressed as a product of two or more natural numbers. So, let’s learn how to find the factors of the numbers from one to ten with proof.

1. 81Factors$1,$ $3,$ $9,$ $27$ and $81$ are factors of $81$.
2. 82Factors$1,$ $2,$ $41$ and $82$ are factors of $82$.
3. 83Factors$1$ and $83$ are factors of $83$.
4. 84Factors$1,$ $2,$ $3,$ $4,$ $6,$ $7,$ $12,$ $14,$ $21,$ $28,$ $42$ and $84$ are factors of $84$.
5. 85Factors$1,$ $5,$ $17$ and $85$ are factors of $85$.
6. 86Factors$1,$ $2,$ $43$ and $86$ are factors of $86$.
7. 87Factors$1,$ $3,$ $29$ and $87$ are factors of $87$.
8. 88Factors$1,$ $2,$ $4,$ $8,$ $11,$ $22,$ $44$ and $88$ are factors of $88$.
9. 89Factors$1$ and $89$ are factors of $89$.
10. 90Factors$1,$ $2,$ $3,$ $5,$ $6,$ $9,$ $10,$ $15,$ $18,$ $30,$ $45$ and $90$ are factors of $90$.