Start by factoring both numbers into primes:
210 = 2*3*5*7
450= 2*3*3*5*5
What's the shortest list that includes all the factors of both numbers?
One 2, two 3's, two 5's, one 7
That's the recipe for lcm in this problem.
lcm = 2*3*3*5*5*7
= 3150
Wiki User
∙ 9y agoThe LCM is: 210
The LCM is 450.The LCM is: 450
The GCF of 210 and 450 is 30.
The LCM is 210.
The LCM is 1890.
The LCM is 420.
The LCM is 210.
The LCM is 450.
The LCM is: 450
The LCM is 3150.
The LCM is 3600.
The LCM is 450.