Factors

Factors multiply autoclicker speed. They can be upgraded by spending Ordinal Points (OP), the main currency of the Infinity prestige layer, their upgrade costs scale hyper-exponentially. You can have 7 of them (outside of Challenges).

The formula for the Factor cost is $$10^{i\times2^{\mathrm{F}_i}}$$, where $$i$$ is the index of the Factor being bought, and $$\mathrm{F}_i$$ is the amount of Factors bought.

Because each additional Factor increases in OP cost, there are only a limited amount of times a Factor can be upgraded. Once a Factor is bought $$9-i$$ times, the contents of the Factor will change to Maxed! and can no longer be upgraded.

Factors boost the power of Tier 1 automation. Every time a Factor is upgraded, its multiplier to Tier 1 automation increases by 1 (at base). This effect can be increased through buying specific Booster Upgrades and completing Challenges.

The total Factor Mult is $$\left(\prod_{i=1}^{FS} (\mathrm{1+F_i+3 \times u33 \times (1+C3)})\times\mathrm{u11}\right)^{\mathrm{1-OC1}}$$

where $$\prod$$ means products ($$\prod_{i=1}^N i$$ means let variable i, from 1 to N, every time multiply by i, aka i factorial or i!), $$\mathrm{FS}$$ is your Factor Shifts, $$\mathrm{F_i}$$ is your Factor i bought times, u33 and OC1 mean 1 if you have this upgrade/in this Challenge, and 0 otherwise, C3 and u11 mean OC2 completions + 2 if you have this upgrade/in this Challenge and not in OC2, and 0/1 otherwise.