Factors & Multiples

Factor pairs, common factors, the HCF — and the LCM

Change the number with − and +. Watch its factor pairs and multiples.

Number

Factors · 6 factors

1234612

Factor pairs (rectangles)

1 × 12

2 × 6

3 × 4

First multiples

12×1=1212×2=2412×3=3612×4=4812×5=6012×6=7212×7=8412×8=96