Both a and b are natural numbers. After decomposing the prime factors, a=2**2*3*m, b=3*7*m, if the least common multiple of a and b is 924, then m=how much.
a和b都是自然数，分解质因数后得到a=2**2*3*m，b=3*7*m，如果a和b的最小公倍数是924，那么m=多少．
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