Use all digits 1 to 9 to make six primes summing 207

The six primes summing to the minimum possible total of 207, using all nine digits from 1 to 9, once each, are: 2 5 7 43 61 89

Jim Howson

The six primes summing to the minimum total of 207, using all nine digits from 1 to 9, once each, are:

2, 5, 7, 43, 61, 89

Go to the homepage >>

Try more Puzzlers >>

This was last published in January 2009

Andrew Ng's AI playbook for the enterprise: 6 must-dos

AI legend and online education pioneer Andrew Ng has developed an AI playbook for businesses. Here are six must-dos.

Trump's move to ban Huawei a wake-up call for IT execs

The Trump administration's move to effectively ban Huawei products from U.S. networks has big implications for IT execs in charge...

5G enables AR and VR for the enterprise: CIO primer

Lag time and the inability to accommodate multiple users have limited AR and VR for enterprise use. 5G will change that, spurring...

SearchSecurity

What makes BSA's secure software development framework unique?

BSA rolled out a new secure software development framework in an effort to promote best practices for secure software development...

Why EDR technologies are essential for endpoint protection

In this post-perimeter era, endpoint detection and response tools can provide essential protection to thwart advanced persistent ...

Endpoint security tools get an essential upgrade

Malware, APTs and other threats are getting smarter, but so are endpoint detection and response products. Learn what the latest ...

SearchNetworking

Marconi Mainnet launched for building, scaling complex networks

The Marconi Mainnet platform provides blockchain security, multi-cloud connectivity, advanced firewalls and secure gateways for ...

Key factors to consider before evaluating campus edge switches

Before buying a campus edge switch, it's important to understand how technologies such as IoT could affect campus traffic and how...

Extreme Networks CEO blames China, not Trump, for trade impasse

Extreme Networks CEO Ed Meyercord blames China, not President Donald Trump, for the impasse in trade talks that could force the ...

SearchDataCenter

Exascale computing, now at $2.8B, described as critical to U.S.

The race to build exascale supercomputers is a project of big governments -- China, Japan, the European Union and the U.S. ...

HPE-Cray deal brings supercomputers to enterprises for AI

HPE's $1.3 billion deal to acquire supercomputing pioneer Cray Inc. should better position the company in the HPC market among IT...

IBM mainframe pricing overhaul inspired by cloud model

IBM's new Tailored Fit Pricing model gives enterprises more flexibility in the types of workloads they run on the z/OS platform.

SearchDataManagement

Lumina launches Radiance, a data risk management platform

In an effort to prevent data loss, Lumina launched Radiance, a SaaS data risk management platform. It collects and analyzes data ...

Advice on enterprise data cleansing from an SAP VP

SAP's Kristin McMahon details data cleansing best practices and explains why a good data cleanse needs continual communication, ...

Data virtualization layer feeds logical data warehouse, Agile BI

Indiana University is using data virtualization to combine data from various source systems for analysis, as part of an ...

Read more on IT strategy

Start the conversation

0 comments

Register

Login

Forgot your password?

Your password has been sent to:

Please create a username to comment.