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keyword

hardest math equation

Monthly search volume and cost-per-click data for "hardest math equation" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+math+equation&country=us" +--------------+------------------+ | volume | 8,100 | | cpc | $3.11 | | competition | 0 | | country | US | | updated | 2026-06-17 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hard math equations 8,100 $3.02 19/20
hardest math equation in the world 1,000 $0 16/20
difficult math equation 720 $3.28 20/20
what is the hardest mathematical equation 720 $0 16/20
the hardest math equation 390 $0 18/20
hardest math equation ever 320 $0 17/20
hardest math formula 320 $0 17/20
hardest equation in math 70 $0 20/20
hardest math problem equation 50 $0 17/20
the hardest math equation ever 40 $0 18/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+math+equation&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt