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keyword

hardest math equation ever

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

$ curl "https://app.seodata.dev/v1/keyword?q=hardest+math+equation+ever&country=us" +--------------+------------------+ | volume | 320 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-21 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
hardest math equation 8,100 $3.02 20/20
hard math equations 8,100 $3.02 15/20
difficult math equation 720 $3.28 16/20
hardest algebra equation ever 590 $0 16/20
the hardest math equation 390 $0 15/20
hardest equation ever 110 $0 15/20
hardest equation in math 70 $0 20/20
hardest equation in maths 70 $0 15/20
hardest math problem equation 50 $0 15/20
the hardest math equation ever 40 $0 16/20

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+ever&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