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To find the HCF you first need to express the numbers as products of their prime factors. In this case we have:
18 = 2x3x3
70 = 2x5x7
The next step is to identify any common prime factors. In this case, both numbers have a 2 as a prime factor. Thus the HCF is 2. To find the LCM, you simply multiply the numbers together and divide by the hcf:
18x70/2 = 630
So the LCM is 360.
What else can I help you with?
LCM of 8 10 4?
LCM is least common multiple of two or more numbers.LCM of10 and 14 is 70.
What is the greatest common factor of 13 and 70?
Least Common Multiple (LCM) of 12 and 70 is 420
What is the greatest common factor of 50 70 and 125?
The greatest common factor of 50, 70, and 125 is 5.
What is the GCF and LCM of 27 and 45?
The factors of 15 are:1, 3, 5, 15The factors of 25 are:1, 5, 25The factors of 45 are:1, 3, 5, 9, 15, 45The common factors are:1, 5The Greatest Common Factor (GCF) is:5
What is the greatest common divisor of 875 4375 and 78125?
The GCF is 25.
What is the LCM and the GCF of 210 and 280?
840 and 70, respectively.
What is the LCM and GCF of 14 and 35?
LCM = 70 GCF = 7
What is the GCF and LCM of 20 and 70?
10 and 140, respectively.
What is the gcf and LCM of 30 and 70?
10 and 210, respectively.
What is the GCF and LCM of 42 70 and 105?
GCF: 7 LCM: 210
LCM OF 25 AND 70?
The lcm of 25 and 70 is 350.
What is the LCM and GCF of 25 and 115?
The GCF is 5. The LCM is 575.
What is 25 and35 GCF and LCM?
GCF is 5. LCM is 175.
What is the GCF and LCM of 105 and 25?
The GCF is 5. The LCM is 525.
What is the GCF and LCM of 25 and 30?
The GCF is 5. The LCM is 150.
What is the GCF and the LCM of 15 70?
5 and 210, respectively.
What is the gcf and the LCM of 10 and 25?
GCF would be 5 and LCM is 50.
