Common factors of 420, 735, and 945 are: 1, 3, 5, 7, 15, 21, 35, and 105.
It is: 3*5*7^2 = 735
The factors of 630 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630 The factors of 735 are: 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735
735
Obtain the prime factors of both numbers. 450 = 2 x 3 x 3 x 5 x 5 735 = 3 x 5 x 7 x 7 The factors common to both numbers are 3 and 5. The GCF is 3 x 5 = 15
105
The GCF is 105.
105, 210, 315, 420, and 525 have 3, 5 and 7 as prime factors. 105, 315, 525, 735 and 1575 have 3, 5 and 7 as their only prime factors.
The prime factors of 735 are 3, 5 and 7As a product of its prime factors: 3*5*7*7 = 735
You need two or more numbers to find common factors.ex. "What are the common factors of 1575 and 1780?"
Any of its factors
As a product of its prime factors: 3*5*7*7 = 735
The GCF is 35.
prime factors for 735 = 3, 5, 7
The composite factors of 735 are 15, 21, 35, 49, 105, 147, 245, 735
735
1575 = 3 * 3 * 5 * 5 * 73 x 3 x 5 x 5 x 7 = 1575