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We are tasked with finding the least common multiple (LCM) of two expressions:

\[
10v^5 x^4 \quad \text{and} \quad 25u^8 v^2 x^3
\]

### Step-by-step breakdown:

1. **Factorize the coefficients**:
   - For \(10v^5 x^4\), the coefficient is 10, which factors as \(2 \times 5\).
   - For \(25u^8 v^2 x^3\), the coefficient is 25, which factors as \(5^2\).

2. **Identify the LCM of the coefficients**:
   - LCM of 10 and 25: \( \text{LCM}(2 \times 5, 5^2) = 2 \times 5^2 = 50 \).

3. **Determine the LCM for each variable**:
   - For \(v\): The powers of \(v\) in the expressions are 5 and 2. The LCM of the exponents is the highest power, which is \(v^5\).
   - For \(x\): The powers of \(x\) in the expressions are 4 and 3. The LCM of the exponents is \(x^4\).
   - For \(u\): Only the second expression contains \(u\) with a power of 8. The LCM will include \(u^8\).

### Final LCM expression:
\[
\text{LCM}(10v^5 x^4, 25u^8 v^2 x^3) = 50 u^8 v^5 x^4
\]

The least common multiple of the two expressions is \( \boxed{50 u^8 v^5 x^4} \).

Would you like any further details or explanations?

Here are five related questions to consider:
1. What are the steps for finding the LCM of more complex algebraic expressions?
2. How does the LCM change when there are negative exponents?
3. What is the significance of finding the LCM in algebraic operations?
4. Can you explain how to find the LCM when one of the variables is missing in one of the expressions?
5. How is the LCM used in solving equations involving fractions?

**Tip**: Always take the highest powers of variables when calculating the least common multiple of algebraic terms.

Find the least common multiple of the expressions 10v^5 x^4 and 25u^8 v^2 x^3.

Learn how to find the least common multiple (LCM) of two algebraic expressions: 10v^5 x^4 and 25u^8 v^2 x^3. This problem covers factoring constants and using exponents to determine the LCM. Suitable for high school students in Grades 9-12.

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