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#39 by Michel Marcus at Mon Oct 16 03:34:43 EDT 2023
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#38 by Joerg Arndt at Mon Oct 16 01:38:34 EDT 2023
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#37 by Andrew Howroyd at Sun Oct 15 17:40:06 EDT 2023
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Discussion
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Sun Oct 15
| 19:42
| Andrew Howroyd: (since the numbers in each pair are friendly with each other)
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#36 by Andrew Howroyd at Sun Oct 15 17:39:11 EDT 2023
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| EXAMPLE
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280 is primitive friendly towith 1553357978368 = 2^8*7^2*19^2*37*73*127;
360 is primitive friendly towith 155086041146982400 = 2^20*5^2*7^3*13*31*127*337;
380 is primitive friendly towith 31701183232 = 2^8*19^2*37*73*127;
408 is primitive friendly towith 874453888 = 2^7*7*11*17^2*307. (End)
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proposed
editing
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Discussion
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Sun Oct 15
| 17:40
| Andrew Howroyd: I think friendly with is more common than friendly to.
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#35 by Michel Marcus at Sun Oct 15 11:58:46 EDT 2023
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Discussion
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Sun Oct 15
| 11:59
| Michel Marcus: ok ?
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#34 by Michel Marcus at Sun Oct 15 11:58:23 EDT 2023
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| COMMENTS
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Comments from Suyash Pandit, Oct 15 2023: (Start)
280 is in the sequence because it is primitive friendly to 1553357978368 = 2^8*7^2*19^2*37*73*127
360 is in the sequence because it is primitive friendly to 155086041146982400 = 2^20*5^2*7^3*13*31*127*337
380 is in the sequence because it is primitive friendly to 31701183232 = 2^8*19^2*37*73*127
408 is in the sequence because it is primitive friendly to 874453888 = 2^7*7*11*17^2*307
(End)
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| EXAMPLE
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From Suyash Pandit, Oct 15 2023: (Start)
280 is primitive friendly to 1553357978368 = 2^8*7^2*19^2*37*73*127;
360 is primitive friendly to 155086041146982400 = 2^20*5^2*7^3*13*31*127*337;
380 is primitive friendly to 31701183232 = 2^8*19^2*37*73*127;
408 is primitive friendly to 874453888 = 2^7*7*11*17^2*307. (End)
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| STATUS
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proposed
editing
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#33 by Suyash Pandit at Sun Oct 15 11:52:13 EDT 2023
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#32 by Suyash Pandit at Sun Oct 15 11:50:12 EDT 2023
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Discussion
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Sun Oct 15
| 11:52
| Suyash Pandit: I see, sorry about the confusion, I believe I've now made the requested changes.
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#31 by Suyash Pandit at Sun Oct 15 11:49:52 EDT 2023
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| COMMENTS
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Comments from Suyash Pandit, Oct 15 2023: (Start)
280 is in the sequence because it is primitive friendly to 1553357978368 = 2^8*7^2*19^2*37*73*127
360 is in the sequence because it is primitive friendly to 155086041146982400 = 2^20*5^2*7^3*13*31*127*337
380 is in the sequence because it is primitive friendly to 31701183232 = 2^8*19^2*37*73*127
408 is in the sequence because it is primitive friendly to 874453888 = 2^7*7*11*17^2*307
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#30 by N. J. A. Sloane at Sun Oct 15 02:50:06 EDT 2023
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