(700,560,280)=
[tex] {2}^{2} \times 5 \times 7[/tex]
[tex]4 \times 5 \times 7[/tex]
[tex]20 \times 7[/tex]
[tex]140[/tex]
[700,560,280]=
[tex] {2}^{4} \times {5}^{2} \times 7[/tex]
[tex]16 \times 125 \times 7[/tex]
[tex]2000 \times 7[/tex]
[tex]14000[/tex]