A common multiple of 9 and 21 is 63
The lowest common multiple of 3 and 9 is 9. Since 9 is a multiple of 3, it is automatically the LCM.The least common multiple of two given numbers is the lowest number which has both given numbers as factors. As 3 is a factor of 9 the least common multiple is 9. * 3 x 3 = 9 * 9 x 1 = 9
1 and 3 are common factors of 9 and 21
The greatest common factor (GCF) of 21 and 9 is 3.
The Greatest Common Factor of 21, 9 is 3.
180
the next common multiple of 9and 21is126
Their lowest common multiple is 63.
There isn't one.
A common multiple of 9 and 21 is 63
The common multiples of 9 and 21 are 63, 126, 189 and so on.
The common factors of 9, 21, and 24 are: 1 and 3
1 and 3 are both common factors of 9 and 21.
The Greatest Common Factor of 9, 18, 21: 3
The least common multiple of 7 , 9 , 21 = 63
The lowest common multiple of 3 and 9 is 9. Since 9 is a multiple of 3, it is automatically the LCM.The least common multiple of two given numbers is the lowest number which has both given numbers as factors. As 3 is a factor of 9 the least common multiple is 9. * 3 x 3 = 9 * 9 x 1 = 9
9 and 21 only have two common factors: 1 and 3.