GCD, LCM and prime numbers

To help students and teachers in math problems solving

milicevic.biz · biz.milicevic.android.prostinzdnzs

Not rated yet 5K+ downloads v2.12 8.3 MB Android 5.0+ PEGI 3 · Everyone

Download APK 8.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.12 (10)
Updated: May 14, 2026 (5 months ago)
APK size: 8.3 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Education (app)
Listed since: Oct 22, 2020 (at least)
Permissions: 9
Website: milicevic.biz
Developer contact: [email protected]

About this APK

GCD, LCM and prime numbers is an app by milicevic.biz in the Education category, listed since at least October 2020. It has no native code, so it runs on any Android processor.

It asks for 9 permissions, none of them sensitive. The app can read the advertising ID that ad and analytics services use.

What's new in v2.12

Updated to 2.12

Description

From the listing uploaded by “appupdater”.

The app ''GCD, LCM and prime numbers'' can help students and teachers as a tool for practicing and solving math problems. - App checks if the given number is a prime number, and if it is composite, writes out its factors. - Additionally, app can check how many prime numbers are between two given numbers and what are GCD (greatest common divisor) and LCM (least common multiple) for two given numbers.

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on May 14, 2026.
Certificate issued to “milicevic.biz” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified May 14, 2026
Validated against Google Play May 14, 2026
Signed byCN=Darko Milicevic, O=milicevic.biz, L=RS
Signing certificate (SHA-1)A7:57:C6:5B:BD:D8:A4:A4:E7:6E:FD:41:6E:A9:17:39:8A:21:0B:68
File MD5b6b0a19a9108cc597d3906335db1bd10
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (9)

GCD, LCM and prime numbers requests 9 permissions, none of them sensitive.

Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
Advertising ID com.google.android.gms.permission.AD_ID
Full network access android.permission.INTERNET
Internal broadcast protection (app-defined) biz.milicevic.android.prostinzdnzs.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run foreground services android.permission.FOREGROUND_SERVICE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait