Lessons + CET Practice
175 worked lessons and every practice set, marked instantly.
₱499one payment
CET Math Review · Number sense
Prime Factorisation and Testing for Primes
Divide by primes until you reach 1, write the answer in exponent form, and test primality by trying only the primes up to the square root.
This lesson is part of a NEXUS plan.
Log in if you already have a plan, or pick one below. You pay once with any QR Ph app (GCash, Maya, your bank) and the whole library unlocks straight away.
Plans
Pick a plan, pay once by QR Ph
The diagnostic exam stays free. Everything else is one payment, no subscription.
All-Access Pass
Lessons, every practice set, and a seat in the current live review batch.
₱1,499one payment
Compare every plan, including the review pack and live classes »