Best Answer

Prime factors of 30 are: 2, 3 and 5

Prime factors of 42 are: 2, 3 and 7

LCM = 2*3*5*7 = 210

Q: How do you find the LCM of 30 and 42?

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The LCM is 210.

Least Common Multiple (LCM) for 6 30 42 is 210.

Th LCM of 21 and 42 is: 42

You can only find the LCM of two or more numbers. One way to do this is by listing the multiples of each number until you reach a number that appears on both lists. Example 30 and 42 30, 60, 90, 120, 150, 180, 210 42, 84, 126, 168, 210 210 is the LCM of 30 and 42

420

Related questions

The LCM is 840.

The LCM is 210.

You can find the GCF of two numbers by dividing their product by their LCM. The LCM of 30 and 42 is 210. What is their GCF? 30 x 42 = 1260 divided by 210 = 6 The GCF of 30 and 42 is 6.

Least Common Multiple (LCM) for 6 30 42 is 210.

The LCM of 12, 30 and 42 is 420.

Th LCM of 21 and 42 is: 42

You can only find the LCM of two or more numbers. One way to do this is by listing the multiples of each number until you reach a number that appears on both lists. Example 30 and 42 30, 60, 90, 120, 150, 180, 210 42, 84, 126, 168, 210 210 is the LCM of 30 and 42

It is: 210

HCF(30, 36, 42) = 6 LCM(30, 36, 42) = 1260

210

630

420