Question

what is the highest common factor of 630 and 1560 and how do you work it out ?

Answer 1

630 and 160 respectively!!!

Answer 2

what ??

Answer 3

The factors of 630 are:
1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630
The factors of 1560 are:
1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560

coomon factors: 2, 3, 5,6,10,15,30

highest common factor : 30

Answer 4

thank you so much