Year 7

LLL - Number Properties

Common Prime Factors to HCF

Students first find common prime factors, then multiply them to find the highest common factor.

Progress0 / 30

Multiply the common prime factors.

When two numbers have prime factors in common, the HCF is found by multiplying every repeated common prime factor.

10common prime factors only
10common factors then HCF
10full factor-tree process

Finished

All 30 questions are complete.