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Calculate Greatest usual Factor because that :210, 90 Factorize the the above numbers :
210 = 2 • 3 • 5 • 790 = 2 • 32 • 5Build a prime determinants table
2 | 1 | 1 | 1 |
3 | 1 | 2 | 1 |
5 | 1 | 1 | 1 |
7 | 1 | 0 | 0 |