The GCF is 5x2.
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The GCF is 5x2
(3x + 4)(5x + 3)
(3x - 2)(5x + 1)
If that's 15x2, the answer is (3x + 4)(5x - 4)
The LCM of 4 and 15 is 60.The least common multiple is the smallest number that is multiple of two or more numbers.Multiples of 4: 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60Multiples of 15: 15, 30, 45, 60The LCM of 4 and 15 is 60.The LCM must include the highest amount of each prime factor in both numbers. The highest power of 2's is 2, of 3's is 1 and of 5's is 1.So the LCM = 2 x 2 x 3 x 5 = 6060 15x1=15 15x2=30 15x3=45 15x4=60