BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

Android app on Google Play
NEW View all these signs in the Sign BSL Android App. Download for free.


How to sign: a number that has no factor but itself and 1

Sorry, no video found for this word.

Similiar / Same: prime quantity

Categories: number

Within this category: prime number

Do you know the sign for this?

Upload your sign now.