https://www.study24x7.com/post/718/express-number-product-prime-factors-140-ii-156-iii-3825-iv-5005-v-7429-solution-140-take-lcm-140-e-2×2×5×7×1-hence-140-2×2×5×7×1-ii-156-take-lcm-156-e-2×2×13×3×1-hence-156-2×2×13×3×1-iii-3825-take-lcm-3825-e-3×3×5×5×17×1-hence-3825-3×3×5×5×17×1-iv-5-0