To find the Greatest Common Factor (GCF) of 105, 147, and 189, you need to first factorize each number. The prime factors of 105 are 3 x 5 x 7, of 147 are 3 x 7 x 7, and of 189 are 3 x 3 x 3 x 7. To find the GCF, you need to identify the common prime factors shared by all three numbers, which are 3 and 7. Therefore, the GCF of 105, 147, and 189 is 3 x 7 = 21.
The GCF is 21.
The Greatest Common Divisor of 105, 189 is 21.
The GCF is 21.
The least common multiple (LCM) is often also called the lowest common multiple or smallest common multiple. Keep in mind that these different terms all refer to the same thing: the smallest positive integer which is a multiple of two or more numbers.The least common multiple of 105 and 160 is 3360.
21,42,64,86,108,130,152,174,196,218They are 21, 42, 63, 84, 105, 126, 147, 168, 189, 210.
GCF(147, 189) = 21.
GCF(105, 145, 189) = 1: the three are coprime.
The GCF of 105 and 189 is 21.
The GCF is 21.
The GCF of 105 and 147 is 21. Dividing 21 into each of these gives 5 and 7 respectively. These are not further divisible by any number except for 1.
28
The GCF is 21.
21
The Greatest Common Divisor of 105, 189 is 21.
147 = 3 x 7 x 7, 189 = 3 x 3 x 3 x 7 so GCF = 3 x 7 = 21
The GCF is 21.
The GCF is 21.