Look for repeated factors. The product 35 · 54 · 13 · 35 has 35 appearing twice, and 54 and 13 appearing once each.
Using exponents for repeated factors: 352 · 54 · 13.
If you must fill every exponent (including 1): 131 · 352 · 541.
Combine repeated factors and write the product 35 · 54 · 13 · 35 using exponents. Show repeated factors with powers (e.g., 35^2 · 54 · 13 or, with exponent 1 shown, 13^1 · 35^2 · 54^1).
Look for repeated factors. The product 35 · 54 · 13 · 35 has 35 appearing twice, and 54 and 13 appearing once each.
Using exponents for repeated factors: 352 · 54 · 13.
If you must fill every exponent (including 1): 131 · 352 · 541.