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Popular >

Find the LCM 30 , 42

Solution

lcm

30, 42

Solution

210

Solution steps

30, 42

Prime factorization of

30 : 2 \cdot 3 \cdot 5

Prime factorization of

42 : 2 \cdot 3 \cdot 7

Multiply each factor the greatest number of times it occurs in either

30

or

42

= 2 \cdot 3 \cdot 5 \cdot 7

Multiply the numbers:

2 \cdot 3 \cdot 5 \cdot 7 = 210

= 210

Popular Examples

126/9 long division

\frac{126}{9}

15.5/5 long division

\frac{15.5}{5}

Find the GCF 18x , 15 gcf

18 x, 15

28-15 long subtraction

28 - 15

Find the GCF 63 , 45 , 81 gcf

63, 45, 81

Frequently Asked Questions (FAQ)

What is lcm 30,42 ?
The solution to lcm 30,42 is 210