These questions concern the integers 84, 126, 168 and 294.

Question

1)Choose the option that is the lowest common multiple of the four integers.

2)Choose the option that is the highest common factor of the four integers.

Options for them:
A) 28 B) 42 C) 63 D) 294
E) 3528 F) 7056 G 10) 584 H) 24 969

wouild 1) be 42 and 2) 63 ??