The factors of 490 are:
1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
The factors of 1750 are:
1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1750
The common factors are:
1, 2, 5, 7, 10, 14, 35, 70
The Greatest Common Factor (GCF) is: 70
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The greatest common factor of 490 and 816 is 2.
The GCF is 70.
Since 70 is a factor of 490, it is automatically the GCF.
The GCF of 1225 and 1575 is 175
GCF is 18:54 = 18 x 372 = 18 x 490 = 18 x 5