Reduce $\frac{3596}{4292}$ to lowest terms.

To reduce the fraction $\frac{3596}{4292}$ to its lowest terms, we need to find the Highest Common Factor (HCF) of 3596 and 4292 using the long division method:
$$4292=3596\times 1+696$$
$$3596=696\times 5+116$$
$$696=116\times 6+0$$
The HCF of 3596 and 4292 is 116.Now, divide both the numerator and the denominator by 116:
$$\text{Numerator}=\frac{3596}{116}=31$$
$$\text{Denominator}=\frac{4292}{116}=37$$
Therefore, the fraction in lowest terms is $\frac{31}{37}$.