The least common factor of 140 and 210 is 1. I think you meant the greatest common factor which would be 70.
The common factors of 140 and 210 are: 1, 2, 5, 7, 10, 14, 35, and 70
The LCM is: 420
It is: 840
No. The prime factors of 140 are 2,2,5 and 7 The prime factors of 210 are 2,3,5 and 7 The common prime factors are 2,5 and 7 Thus the HCF is 2x5x7, or 70.
The Greatest Common Factor (GCF) of 210 and 140 is 70.
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 140 and 210 is 420.
The GCF of 140, 168 and 210 is 14.
70,140,21070, 140, and 210 are.
You need at least two numbers to find an LCM.
The factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210 To have common factors, you have to compare at least two sets of factors.
The least common multiple is 210.
70