Study guides

☆☆

Q: What numbers go into 9 and 15 and 21?

Write your answer...

Submit

Still have questions?

Related questions

ANSWER: 9, 15, 21 are not prime numbers because these numbers have factors other than 1 and themselves. Therefore, 9, 15, 21 are composite numbersFactors of 9 other 1 and itself (9) : 3Factors of 15 other 1 and itself (15): 3, 5Factors of 21 other 1 and itself (21): 3, 7

multiples of 63

9, 15, 21

No, odd numbers such as 9, 15, 21, and 27 are not prime.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, -1, -3, -5, -7, -9, -15, -21, -35, -45, -63, -105, -315

1 and 3 go into both.

12 numbers (including 21). The numbers are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21.

1, 3, 7, 9, 21, 63.

1, 3, 7, 9, 21, 63.

1, 3, 7, 9, 21 and 63.

1, 3, 7, 9, 21, 63.

3, 9, 15, 21, 27, 33

9, 15, 21, 25, 27, 33

63 & 5 21 & 15 9 & 35

3 6 9 12 15 18 21 and so on

That's an infinite list, started by 9, 15 and 21.

That's an infinite list. 9, 15, 21, 25, 27...

9, 15, 21, 25... just about any number that you can get from multiplication of whole numbers (besides one and itself).

-3 0 3 then 6 9 12 15 18 21 and so on ...

21 and 9 21 - 9 = 12 21+9 = 30

The GCF of 9 and 21 is 3.

They are: 3 6 9 12 15 18 21 and 24 itself makes 8 of them

9, 11, 13, 15, 17, 19, 21

3, 9, 15, 21, 27

1, 3, 7, 9, 21, 63.