Oh, dude, 9 and 21 both go into numbers that are multiples of both 9 and 21. So, like, they can go into numbers like 63, 126, 189, and so on. It's just basic math, nothing too mind-blowing.
1, 3, 7, 9, 21 and 63.
21 and 9 21 - 9 = 12 21+9 = 30
1, 3, 7, 9, 21, 27, 63, 189.
1, 3, 7, 9, 21, 27, 63, 189.
Well, darling, if we're talking about good ol' 21, it can go into 189 a total of 9 times. It's simple math, honey, just divide 189 by 21 and you'll get your answer. Math doesn't have to be a headache, sugar, just let those numbers do their thing.
1 and 3.
1, 3, 7, 9, 21 and 63.
1, 3, 7, 9, 21, 63.
1, 3, 7, 9, 21, 63.
1, 3, 7, 9, 21, 63.
1, 3, 7, 9, 21, 63.
21 and 9 21 - 9 = 12 21+9 = 30
The GCF of 9 and 21 is 3.
1, 3, 7, 9, 21, 27, 63, 189.
1, 3, 7, 9, 21, 27, 63, 189.
These are the whole numbers that go into 126 evenly: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126.
The number 63 can be evenly divided by 1, 3, 7, 9, 21, and 63.